27223460 has 96 divisors (see below), whose sum is σ = 68584320. Its totient is φ = 8960000.

The previous prime is 27223457. The next prime is 27223463. The reversal of 27223460 is 6432272.

It is an interprime number because it is at equal distance from previous prime (27223457) and next prime (27223463).

It is a super-2 number, since 2×27223460² = 1482233548743200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27223463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108335 + ... + 108585.

It is an arithmetic number, because the mean of its divisors is an integer number (714420).

Almost surely, 2^27223460 is an apocalyptic number.

27223460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27223460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34292160).

27223460 is an abundant number, since it is smaller than the sum of its proper divisors (41360860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27223460 is a wasteful number, since it uses less digits than its factorization.

27223460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 27223460 is about 5217.6105642334. The cubic root of 27223460 is about 300.8253568342.

It can be divided in two parts, 272 and 23460, that added together give a palindrome (23732).

The spelling of 27223460 in words is "twenty-seven million, two hundred twenty-three thousand, four hundred sixty".