22642400602 has 4 divisors (see below), whose sum is σ = 33963600906. Its totient is φ = 11321200300.

The previous prime is 22642400587. The next prime is 22642400609. The reversal of 22642400602 is 20600424622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20600424622 = 2 ⋅10300212311.

It can be written as a sum of positive squares in only one way, i.e., 22460717161 + 181683441 = 149869^2 + 13479^2 .

It is not an unprimeable number, because it can be changed into a prime (22642400609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660600149 + ... + 5660600152.

Almost surely, 2^22642400602 is an apocalyptic number.

22642400602 is a deficient number, since it is larger than the sum of its proper divisors (11321200304).

22642400602 is a wasteful number, since it uses less digits than its factorization.

22642400602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11321200303.

The product of its (nonzero) digits is 9216, while the sum is 28.

The spelling of 22642400602 in words is "twenty-two billion, six hundred forty-two million, four hundred thousand, six hundred two".