220925902 has 16 divisors (see below), whose sum is σ = 356954112. Its totient is φ = 102251160.

The previous prime is 220925899. The next prime is 220925909. The reversal of 220925902 is 209529022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220925909) 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, 76038 + ... + 78889.

It is an arithmetic number, because the mean of its divisors is an integer number (22309632).

Almost surely, 2^220925902 is an apocalyptic number.

220925902 is a deficient number, since it is larger than the sum of its proper divisors (136028210).

220925902 is a wasteful number, since it uses less digits than its factorization.

220925902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154983.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 220925902 is about 14863.5763529509. The cubic root of 220925902 is about 604.5267815611.

The spelling of 220925902 in words is "two hundred twenty million, nine hundred twenty-five thousand, nine hundred two".