222225815700 has 216 divisors, whose sum is σ = 821742405120. Its totient is φ = 49155897600.

The previous prime is 222225815689. The next prime is 222225815723. The reversal of 222225815700 is 7518522222.

222225815700 is a `hidden beast` number, since 2 + 2 + 2 + 2 + 2 + 5 + 81 + 570 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 373635 + ... + 764234.

Almost surely, 2^222225815700 is an apocalyptic number.

222225815700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222225815700 is an abundant number, since it is smaller than the sum of its proper divisors (599516589420).

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

222225815700 is a wasteful number, since it uses less digits than its factorization.

222225815700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137927 (or 1137917 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The spelling of 222225815700 in words is "two hundred twenty-two billion, two hundred twenty-five million, eight hundred fifteen thousand, seven hundred".