22941538 has 4 divisors (see below), whose sum is σ = 34412310. Its totient is φ = 11470768.

The previous prime is 22941497. The next prime is 22941539. The reversal of 22941538 is 83514922.

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., 12229009 + 10712529 = 3497^2 + 3273^2 .

It is not an unprimeable number, because it can be changed into a prime (22941539) by changing a digit.

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, 5735383 + ... + 5735386.

Almost surely, 2^22941538 is an apocalyptic number.

22941538 is a deficient number, since it is larger than the sum of its proper divisors (11470772).

22941538 is a wasteful number, since it uses less digits than its factorization.

22941538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11470771.

The product of its digits is 17280, while the sum is 34.

The square root of 22941538 is about 4789.7325603837. The cubic root of 22941538 is about 284.1455396995.

The spelling of 22941538 in words is "twenty-two million, nine hundred forty-one thousand, five hundred thirty-eight".