102223470 has 64 divisors (see below), whose sum is σ = 253693440. Its totient is φ = 26345088.

The previous prime is 102223453. The next prime is 102223481. The reversal of 102223470 is 74322201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140247 + ... + 140973.

It is an arithmetic number, because the mean of its divisors is an integer number (3963960).

Almost surely, 2^102223470 is an apocalyptic number.

102223470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102223470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126846720).

102223470 is an abundant number, since it is smaller than the sum of its proper divisors (151469970).

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

102223470 is a wasteful number, since it uses less digits than its factorization.

102223470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 102223470 is about 10110.5622989031. The cubic root of 102223470 is about 467.5738413679.

Adding to 102223470 its reverse (74322201), we get a palindrome (176545671).

The spelling of 102223470 in words is "one hundred two million, two hundred twenty-three thousand, four hundred seventy".