22024421000 has 64 divisors (see below), whose sum is σ = 52794246960. Its totient is φ = 8594880000.

The previous prime is 22024420973. The next prime is 22024421017. The reversal of 22024421000 is 12442022.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1167862276 + 20856558724 = 34174^2 + 144418^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22024421000.

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, 227591 + ... + 309590.

Almost surely, 2^22024421000 is an apocalyptic number.

22024421000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22024421000 is an abundant number, since it is smaller than the sum of its proper divisors (30769825960).

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

22024421000 is a wasteful number, since it uses less digits than its factorization.

22024421000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537243 (or 537229 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22024421000 its reverse (12442022), we get a palindrome (22036863022).

The spelling of 22024421000 in words is "twenty-two billion, twenty-four million, four hundred twenty-one thousand".