1222025562 has 32 divisors (see below), whose sum is σ = 2749996800. Its totient is φ = 402184224.

The previous prime is 1222025543. The next prime is 1222025579. The reversal of 1222025562 is 2655202221.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138963 + ... + 147494.

It is an arithmetic number, because the mean of its divisors is an integer number (85937400).

Almost surely, 2^1222025562 is an apocalyptic number.

1222025562 is an abundant number, since it is smaller than the sum of its proper divisors (1527971238).

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

1222025562 is a wasteful number, since it uses less digits than its factorization.

1222025562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286547 (or 286541 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1222025562 is about 34957.4822033853. The cubic root of 1222025562 is about 1069.1207619759.

Adding to 1222025562 its reverse (2655202221), we get a palindrome (3877227783).

The spelling of 1222025562 in words is "one billion, two hundred twenty-two million, twenty-five thousand, five hundred sixty-two".