22787451332 has 6 divisors (see below), whose sum is σ = 39878039838. Its totient is φ = 11393725664.

The previous prime is 22787451299. The next prime is 22787451343. The reversal of 22787451332 is 23315478722.

It can be written as a sum of positive squares in only one way, i.e., 21660774976 + 1126676356 = 147176^2 + 33566^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2848431413 + ... + 2848431420.

It is an arithmetic number, because the mean of its divisors is an integer number (6646339973).

Almost surely, 2^22787451332 is an apocalyptic number.

It is an amenable number.

22787451332 is a deficient number, since it is larger than the sum of its proper divisors (17090588506).

22787451332 is a wasteful number, since it uses less digits than its factorization.

22787451332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5696862837 (or 5696862835 counting only the distinct ones).

The product of its digits is 564480, while the sum is 44.

The spelling of 22787451332 in words is "twenty-two billion, seven hundred eighty-seven million, four hundred fifty-one thousand, three hundred thirty-two".