22440442404 has 48 divisors (see below), whose sum is σ = 55486872000. Its totient is φ = 7038884736.

The previous prime is 22440442373. The next prime is 22440442421. The reversal of 22440442404 is 40424404422.

It is a super-3 number, since 3×22440442404³ (a number of 32 digits) contains 333 as substring.

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, 296307 + ... + 364250.

It is an arithmetic number, because the mean of its divisors is an integer number (1155976500).

Almost surely, 2^22440442404 is an apocalyptic number.

It is an amenable number.

22440442404 is an abundant number, since it is smaller than the sum of its proper divisors (33046429596).

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

22440442404 is a wasteful number, since it uses less digits than its factorization.

22440442404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660732 (or 660730 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 22440442404 its reverse (40424404422), we get a palindrome (62864846826).

The spelling of 22440442404 in words is "twenty-two billion, four hundred forty million, four hundred forty-two thousand, four hundred four".