22878429352 has 16 divisors (see below), whose sum is σ = 43943325300. Its totient is φ = 11160209280.

The previous prime is 22878429317. The next prime is 22878429367. The reversal of 22878429352 is 25392487822.

It can be written as a sum of positive squares in 2 ways, for example, as 18597867876 + 4280561476 = 136374^2 + 65426^2 .

It is a super-2 number, since 2×22878429352² (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 22878429352.

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, 34875327 + ... + 34875982.

Almost surely, 2^22878429352 is an apocalyptic number.

It is an amenable number.

22878429352 is a deficient number, since it is larger than the sum of its proper divisors (21064895948).

22878429352 is a wasteful number, since it uses less digits than its factorization.

22878429352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69751356 (or 69751352 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 52.

The spelling of 22878429352 in words is "twenty-two billion, eight hundred seventy-eight million, four hundred twenty-nine thousand, three hundred fifty-two".