225662653172 has 48 divisors (see below), whose sum is σ = 457168924800. Its totient is φ = 96325017600.

The previous prime is 225662653103. The next prime is 225662653211. The reversal of 225662653172 is 271356266522.

It is a super-3 number, since 3×225662653172³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104 + ... + 671807.

It is an arithmetic number, because the mean of its divisors is an integer number (9524352600).

Almost surely, 2^225662653172 is an apocalyptic number.

225662653172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

225662653172 is an abundant number, since it is smaller than the sum of its proper divisors (231506271628).

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

225662653172 is a wasteful number, since it uses less digits than its factorization.

225662653172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672392 (or 672390 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 47.

The spelling of 225662653172 in words is "two hundred twenty-five billion, six hundred sixty-two million, six hundred fifty-three thousand, one hundred seventy-two".