22668687332 has 24 divisors (see below), whose sum is σ = 42048690264. Its totient is φ = 10656202752.

The previous prime is 22668687331. The next prime is 22668687341. The reversal of 22668687332 is 23378686622.

It can be written as a sum of positive squares in 4 ways, for example, as 190881856 + 22477805476 = 13816^2 + 149926^2 .

It is not an unprimeable number, because it can be changed into a prime (22668687331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114173 + ... + 241604.

It is an arithmetic number, because the mean of its divisors is an integer number (1752028761).

Almost surely, 2^22668687332 is an apocalyptic number.

It is an amenable number.

22668687332 is a deficient number, since it is larger than the sum of its proper divisors (19380002932).

22668687332 is a wasteful number, since it uses less digits than its factorization.

22668687332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356735 (or 356733 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 53.

The spelling of 22668687332 in words is "twenty-two billion, six hundred sixty-eight million, six hundred eighty-seven thousand, three hundred thirty-two".