22730154 has 16 divisors (see below), whose sum is σ = 46569600. Its totient is φ = 7391840.

The previous prime is 22730119. The next prime is 22730159. The reversal of 22730154 is 45103722.

It is not an unprimeable number, because it can be changed into a prime (22730159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45954 + ... + 46445.

It is an arithmetic number, because the mean of its divisors is an integer number (2910600).

Almost surely, 2^22730154 is an apocalyptic number.

22730154 is an abundant number, since it is smaller than the sum of its proper divisors (23839446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22730154 is a wasteful number, since it uses less digits than its factorization.

22730154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92445.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 22730154 is about 4767.6151270840. The cubic root of 22730154 is about 283.2701370780.

Adding to 22730154 its reverse (45103722), we get a palindrome (67833876).

It can be divided in two parts, 227 and 30154, that added together give a triangular number (30381 = T₂₄₆).

The spelling of 22730154 in words is "twenty-two million, seven hundred thirty thousand, one hundred fifty-four".