22002421312 has 28 divisors (see below), whose sum is σ = 43668763056. Its totient is φ = 10999268480.

The previous prime is 22002421289. The next prime is 22002421321. The reversal of 22002421312 is 21312420022.

It is a self number, because there is not a number n which added to its sum of digits gives 22002421312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377487 + ... + 431857.

Almost surely, 2^22002421312 is an apocalyptic number.

It is an amenable number.

22002421312 is a deficient number, since it is larger than the sum of its proper divisors (21666341744).

22002421312 is an equidigital number, since it uses as much as digits as its factorization.

22002421312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60706 (or 60696 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22002421312 its reverse (21312420022), we get a palindrome (43314841334).

The spelling of 22002421312 in words is "twenty-two billion, two million, four hundred twenty-one thousand, three hundred twelve".