102232220 has 24 divisors (see below), whose sum is σ = 227317104. Its totient is φ = 38487296.

The previous prime is 102232219. The next prime is 102232259. The reversal of 102232220 is 22232201.

It is a super-2 number, since 2×102232220² = 20902853612256800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102232195 and 102232204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150002 + ... + 150681.

It is an arithmetic number, because the mean of its divisors is an integer number (9471546).

Almost surely, 2^102232220 is an apocalyptic number.

102232220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102232220 is an abundant number, since it is smaller than the sum of its proper divisors (125084884).

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

102232220 is a wasteful number, since it uses less digits than its factorization.

102232220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300709 (or 300707 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 102232220 is about 10110.9950054384. The cubic root of 102232220 is about 467.5871819259.

Adding to 102232220 its reverse (22232201), we get a palindrome (124464421).

The spelling of 102232220 in words is "one hundred two million, two hundred thirty-two thousand, two hundred twenty".