22458154 has 4 divisors (see below), whose sum is σ = 33687234. Its totient is φ = 11229076.

The previous prime is 22458127. The next prime is 22458193. The reversal of 22458154 is 45185422.

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., 21298225 + 1159929 = 4615^2 + 1077^2 .

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, 5614537 + ... + 5614540.

Almost surely, 2^22458154 is an apocalyptic number.

22458154 is a deficient number, since it is larger than the sum of its proper divisors (11229080).

22458154 is a wasteful number, since it uses less digits than its factorization.

22458154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11229079.

The product of its digits is 12800, while the sum is 31.

The square root of 22458154 is about 4739.0034817459. The cubic root of 22458154 is about 282.1356840807.

The spelling of 22458154 in words is "twenty-two million, four hundred fifty-eight thousand, one hundred fifty-four".