1222344402 has 16 divisors (see below), whose sum is σ = 2501542560. Its totient is φ = 397972512.

The previous prime is 1222344397. The next prime is 1222344427. The reversal of 1222344402 is 2044432221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2368627 + ... + 2369142.

It is an arithmetic number, because the mean of its divisors is an integer number (156346410).

Almost surely, 2^1222344402 is an apocalyptic number.

1222344402 is an abundant number, since it is smaller than the sum of its proper divisors (1279198158).

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

1222344402 is a wasteful number, since it uses less digits than its factorization.

1222344402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737817.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1222344402 is about 34962.0423030463. The cubic root of 1222344402 is about 1069.2137357053.

Adding to 1222344402 its reverse (2044432221), we get a palindrome (3266776623).

The spelling of 1222344402 in words is "one billion, two hundred twenty-two million, three hundred forty-four thousand, four hundred two".