22973554 has 4 divisors (see below), whose sum is σ = 34460334. Its totient is φ = 11486776.

The previous prime is 22973551. The next prime is 22973569. The reversal of 22973554 is 45537922.

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., 13505625 + 9467929 = 3675^2 + 3077^2 .

It is not an unprimeable number, because it can be changed into a prime (22973551) 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, 5743387 + ... + 5743390.

Almost surely, 2^22973554 is an apocalyptic number.

22973554 is a deficient number, since it is larger than the sum of its proper divisors (11486780).

22973554 is a wasteful number, since it uses less digits than its factorization.

22973554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11486779.

The product of its digits is 75600, while the sum is 37.

The square root of 22973554 is about 4793.0735441885. The cubic root of 22973554 is about 284.2776577673.

The spelling of 22973554 in words is "twenty-two million, nine hundred seventy-three thousand, five hundred fifty-four".