10616220 has 36 divisors (see below), whose sum is σ = 32203080. Its totient is φ = 2830944.

The previous prime is 10616201. The next prime is 10616251. The reversal of 10616220 is 2261601.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×10616220² = 225408254176800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10616193 and 10616202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29310 + ... + 29669.

It is an arithmetic number, because the mean of its divisors is an integer number (894530).

Almost surely, 2^10616220 is an apocalyptic number.

10616220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10616220 is an abundant number, since it is smaller than the sum of its proper divisors (21586860).

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

10616220 is a wasteful number, since it uses less digits than its factorization.

10616220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58994 (or 58989 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 10616220 is about 3258.2541337348. The cubic root of 10616220 is about 219.7809113680.

Adding to 10616220 its reverse (2261601), we get a palindrome (12877821).

The spelling of 10616220 in words is "ten million, six hundred sixteen thousand, two hundred twenty".