22748154 has 32 divisors (see below), whose sum is σ = 53452224. Its totient is φ = 6362880.

The previous prime is 22748147. The next prime is 22748179. The reversal of 22748154 is 45184722.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12399 + ... + 14114.

It is an arithmetic number, because the mean of its divisors is an integer number (1670382).

Almost surely, 2^22748154 is an apocalyptic number.

22748154 is an abundant number, since it is smaller than the sum of its proper divisors (30704070).

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

22748154 is a wasteful number, since it uses less digits than its factorization.

22748154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26542.

The product of its digits is 17920, while the sum is 33.

The square root of 22748154 is about 4769.5024897782. The cubic root of 22748154 is about 283.3448911856.

The spelling of 22748154 in words is "twenty-two million, seven hundred forty-eight thousand, one hundred fifty-four".