22351422 has 16 divisors (see below), whose sum is σ = 44754192. Its totient is φ = 7441920.

The previous prime is 22351411. The next prime is 22351453. The reversal of 22351422 is 22415322.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5772 + ... + 8832.

It is an arithmetic number, because the mean of its divisors is an integer number (2797137).

Almost surely, 2^22351422 is an apocalyptic number.

22351422 is an abundant number, since it is smaller than the sum of its proper divisors (22402770).

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

22351422 is a wasteful number, since it uses less digits than its factorization.

22351422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4283.

The product of its digits is 960, while the sum is 21.

The square root of 22351422 is about 4727.7290531501. The cubic root of 22351422 is about 281.6880257992.

Adding to 22351422 its reverse (22415322), we get a palindrome (44766744).

The spelling of 22351422 in words is "twenty-two million, three hundred fifty-one thousand, four hundred twenty-two".