22000400022 has 32 divisors (see below), whose sum is σ = 45280800000. Its totient is φ = 7120929888.

The previous prime is 22000399997. The next prime is 22000400033.

It is a happy number.

22000400022 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×22000400022² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22000399980 and 22000400007.

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, 11479 + ... + 210077.

It is an arithmetic number, because the mean of its divisors is an integer number (1415025000).

Almost surely, 2^22000400022 is an apocalyptic number.

22000400022 is an abundant number, since it is smaller than the sum of its proper divisors (23280399978).

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

22000400022 is a wasteful number, since it uses less digits than its factorization.

22000400022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199140.

The product of its (nonzero) digits is 64, while the sum is 12.

The spelling of 22000400022 in words is "twenty-two billion, four hundred thousand, twenty-two".