1022506902 has 40 divisors (see below), whose sum is σ = 2339938656. Its totient is φ = 333581328.

The previous prime is 1022506897. The next prime is 1022506909. The reversal of 1022506902 is 2096052201.

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 (1022506909) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 59533 + ... + 74760.

Almost surely, 2^1022506902 is an apocalyptic number.

1022506902 is an abundant number, since it is smaller than the sum of its proper divisors (1317431754).

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

1022506902 is a wasteful number, since it uses less digits than its factorization.

1022506902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134354 (or 134345 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1022506902 is about 31976.6618332808. The cubic root of 1022506902 is about 1007.4467095351.

The spelling of 1022506902 in words is "one billion, twenty-two million, five hundred six thousand, nine hundred two".