1222292522 has 32 divisors (see below), whose sum is σ = 2072476800. Its totient is φ = 535550400.

The previous prime is 1222292507. The next prime is 1222292527. The reversal of 1222292522 is 2252922221.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (1222292527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 527747 + ... + 530057.

It is an arithmetic number, because the mean of its divisors is an integer number (64764900).

Almost surely, 2^1222292522 is an apocalyptic number.

1222292522 is a deficient number, since it is larger than the sum of its proper divisors (850184278).

1222292522 is a wasteful number, since it uses less digits than its factorization.

1222292522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3182.

The product of its digits is 5760, while the sum is 29.

The square root of 1222292522 is about 34961.3003476701. The cubic root of 1222292522 is about 1069.1986086011.

The spelling of 1222292522 in words is "one billion, two hundred twenty-two million, two hundred ninety-two thousand, five hundred twenty-two".