22406040424 has 8 divisors (see below), whose sum is σ = 42011325810. Its totient is φ = 11203020208.

The previous prime is 22406040421. The next prime is 22406040427. The reversal of 22406040424 is 42404060422.

It is an interprime number because it is at equal distance from previous prime (22406040421) and next prime (22406040427).

It can be written as a sum of positive squares in only one way, i.e., 19301544900 + 3104495524 = 138930^2 + 55718^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 22406040392 and 22406040401.

It is not an unprimeable number, because it can be changed into a prime (22406040421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1400377519 + ... + 1400377534.

Almost surely, 2^22406040424 is an apocalyptic number.

It is an amenable number.

22406040424 is a deficient number, since it is larger than the sum of its proper divisors (19605285386).

22406040424 is a wasteful number, since it uses less digits than its factorization.

22406040424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800755059 (or 2800755055 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The spelling of 22406040424 in words is "twenty-two billion, four hundred six million, forty thousand, four hundred twenty-four".