222545502 has 16 divisors (see below), whose sum is σ = 494545680. Its totient is φ = 74181816.

The previous prime is 222545501. The next prime is 222545563. The reversal of 222545502 is 205545222.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222545501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2060553 + ... + 2060660.

It is an arithmetic number, because the mean of its divisors is an integer number (30909105).

Almost surely, 2^222545502 is an apocalyptic number.

222545502 is an abundant number, since it is smaller than the sum of its proper divisors (272000178).

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

222545502 is a wasteful number, since it uses less digits than its factorization.

222545502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4121224 (or 4121218 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 222545502 is about 14917.9590427109. The cubic root of 222545502 is about 606.0004411329. Note that the first 3 decimals are identical.

The spelling of 222545502 in words is "two hundred twenty-two million, five hundred forty-five thousand, five hundred two".