22901842 has 4 divisors (see below), whose sum is σ = 34352766. Its totient is φ = 11450920.

The previous prime is 22901819. The next prime is 22901861. The reversal of 22901842 is 24810922.

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., 22838841 + 63001 = 4779^2 + 251^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22901842.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5725459 + ... + 5725462.

Almost surely, 2^22901842 is an apocalyptic number.

22901842 is a deficient number, since it is larger than the sum of its proper divisors (11450924).

22901842 is a wasteful number, since it uses less digits than its factorization.

22901842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11450923.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 22901842 is about 4785.5869023559. The cubic root of 22901842 is about 283.9815583476.

The spelling of 22901842 in words is "twenty-two million, nine hundred one thousand, eight hundred forty-two".