22738154 has 4 divisors (see below), whose sum is σ = 34107234. Its totient is φ = 11369076.

The previous prime is 22738151. The next prime is 22738169. The reversal of 22738154 is 45183722.

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., 13875625 + 8862529 = 3725^2 + 2977^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22738154.

It is not an unprimeable number, because it can be changed into a prime (22738151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5684537 + ... + 5684540.

Almost surely, 2^22738154 is an apocalyptic number.

22738154 is a deficient number, since it is larger than the sum of its proper divisors (11369080).

22738154 is a wasteful number, since it uses less digits than its factorization.

22738154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11369079.

The product of its digits is 13440, while the sum is 32.

The square root of 22738154 is about 4768.4540471729. The cubic root of 22738154 is about 283.3033659963.

The spelling of 22738154 in words is "twenty-two million, seven hundred thirty-eight thousand, one hundred fifty-four".