22978949324 has 6 divisors (see below), whose sum is σ = 40213161324. Its totient is φ = 11489474660.

The previous prime is 22978949321. The next prime is 22978949359. The reversal of 22978949324 is 42394987922.

It is a happy number.

It is a super-2 number, since 2×22978949324² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22978949321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2872368662 + ... + 2872368669.

It is an arithmetic number, because the mean of its divisors is an integer number (6702193554).

Almost surely, 2^22978949324 is an apocalyptic number.

It is an amenable number.

22978949324 is a deficient number, since it is larger than the sum of its proper divisors (17234212000).

22978949324 is a wasteful number, since it uses less digits than its factorization.

22978949324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5744737335 (or 5744737333 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 59.

The spelling of 22978949324 in words is "twenty-two billion, nine hundred seventy-eight million, nine hundred forty-nine thousand, three hundred twenty-four".