22645154002 has 4 divisors (see below), whose sum is σ = 33967731006. Its totient is φ = 11322577000.

The previous prime is 22645153931. The next prime is 22645154033. The reversal of 22645154002 is 20045154622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13912438401 + 8732715601 = 117951^2 + 93449^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661288499 + ... + 5661288502.

Almost surely, 2^22645154002 is an apocalyptic number.

22645154002 is a deficient number, since it is larger than the sum of its proper divisors (11322577004).

22645154002 is a wasteful number, since it uses less digits than its factorization.

22645154002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11322577003.

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 22645154002 in words is "twenty-two billion, six hundred forty-five million, one hundred fifty-four thousand, two".