22422422 has 32 divisors (see below), whose sum is σ = 39191040. Its totient is φ = 9508480.

The previous prime is 22422409. The next prime is 22422437.

22422422 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 22422394 and 22422403.

It is a congruent number.

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, 62279 + ... + 62637.

It is an arithmetic number, because the mean of its divisors is an integer number (1224720).

Almost surely, 2^22422422 is an apocalyptic number.

22422422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22422422 is a deficient number, since it is larger than the sum of its proper divisors (16768618).

22422422 is a wasteful number, since it uses less digits than its factorization.

22422422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556.

The product of its digits is 1024, while the sum is 20.

The square root of 22422422 is about 4735.2319900930. The cubic root of 22422422 is about 281.9859741863.

It can be divided in two parts, 2242 and 2422, that added together give a palindrome (4664).

The spelling of 22422422 in words is "twenty-two million, four hundred twenty-two thousand, four hundred twenty-two".