22404442692 has 48 divisors (see below), whose sum is σ = 55112383872. Its totient is φ = 7069793280.

The previous prime is 22404442691. The next prime is 22404442727. The reversal of 22404442692 is 29624440422.

It is a super-2 number, since 2×22404442692² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22404442692.

It is not an unprimeable number, because it can be changed into a prime (22404442691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391659 + ... + 445202.

It is an arithmetic number, because the mean of its divisors is an integer number (1148174664).

Almost surely, 2^22404442692 is an apocalyptic number.

It is an amenable number.

22404442692 is an abundant number, since it is smaller than the sum of its proper divisors (32707941180).

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

22404442692 is a wasteful number, since it uses less digits than its factorization.

22404442692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836988 (or 836986 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 39.

The spelling of 22404442692 in words is "twenty-two billion, four hundred four million, four hundred forty-two thousand, six hundred ninety-two".