22942154 has 4 divisors (see below), whose sum is σ = 34413234. Its totient is φ = 11471076.

The previous prime is 22942151. The next prime is 22942181. The reversal of 22942154 is 45124922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45124922 = 2 ⋅22562461.

It can be written as a sum of positive squares in only one way, i.e., 20295025 + 2647129 = 4505^2 + 1627^2 .

It is not an unprimeable number, because it can be changed into a prime (22942151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5735537 + ... + 5735540.

Almost surely, 2^22942154 is an apocalyptic number.

22942154 is a deficient number, since it is larger than the sum of its proper divisors (11471080).

22942154 is a wasteful number, since it uses less digits than its factorization.

22942154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11471079.

The product of its digits is 5760, while the sum is 29.

The square root of 22942154 is about 4789.7968641687. The cubic root of 22942154 is about 284.1480828607.

The spelling of 22942154 in words is "twenty-two million, nine hundred forty-two thousand, one hundred fifty-four".