22042036426 has 16 divisors (see below), whose sum is σ = 35043825096. Its totient is φ = 10362090496.

The previous prime is 22042036421. The next prime is 22042036451. The reversal of 22042036426 is 62463024022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19099516401 + 2942520025 = 138201^2 + 54245^2 .

It is a super-2 number, since 2×22042036426² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22042036421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298561 + ... + 364996.

Almost surely, 2^22042036426 is an apocalyptic number.

22042036426 is a deficient number, since it is larger than the sum of its proper divisors (13001788670).

22042036426 is a wasteful number, since it uses less digits than its factorization.

22042036426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664553.

The product of its (nonzero) digits is 27648, while the sum is 31.

The spelling of 22042036426 in words is "twenty-two billion, forty-two million, thirty-six thousand, four hundred twenty-six".