1022156202 has 16 divisors (see below), whose sum is σ = 2133195840. Its totient is φ = 325904832.

The previous prime is 1022156183. The next prime is 1022156207. The reversal of 1022156202 is 2026512201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1022156207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3703327 + ... + 3703602.

It is an arithmetic number, because the mean of its divisors is an integer number (133324740).

Almost surely, 2^1022156202 is an apocalyptic number.

1022156202 is an abundant number, since it is smaller than the sum of its proper divisors (1111039638).

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

1022156202 is a wasteful number, since it uses less digits than its factorization.

1022156202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7406957.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1022156202 is about 31971.1776761507. The cubic root of 1022156202 is about 1007.3315181491.

Adding to 1022156202 its reverse (2026512201), we get a palindrome (3048668403).

The spelling of 1022156202 in words is "one billion, twenty-two million, one hundred fifty-six thousand, two hundred two".