1222321422 has 32 divisors (see below), whose sum is σ = 2819520000. Its totient is φ = 346029408.

The previous prime is 1222321409. The next prime is 1222321427. The reversal of 1222321422 is 2241232221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222321427) 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, 128922 + ... + 138077.

It is an arithmetic number, because the mean of its divisors is an integer number (88110000).

Almost surely, 2^1222321422 is an apocalyptic number.

1222321422 is an abundant number, since it is smaller than the sum of its proper divisors (1597198578).

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

1222321422 is a wasteful number, since it uses less digits than its factorization.

1222321422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267120.

The product of its digits is 768, while the sum is 21.

The square root of 1222321422 is about 34961.7136593732. The cubic root of 1222321422 is about 1069.2070352790.

Adding to 1222321422 its reverse (2241232221), we get a palindrome (3463553643).

The spelling of 1222321422 in words is "one billion, two hundred twenty-two million, three hundred twenty-one thousand, four hundred twenty-two".