22148154 has 40 divisors (see below), whose sum is σ = 56720928. Its totient is φ = 6327720.

The previous prime is 22148153. The next prime is 22148173. The reversal of 22148154 is 45184122.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22148153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8632 + ... + 10899.

Almost surely, 2^22148154 is an apocalyptic number.

22148154 is an abundant number, since it is smaller than the sum of its proper divisors (34572774).

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

22148154 is a wasteful number, since it uses less digits than its factorization.

22148154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19552 (or 19543 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 22148154 is about 4706.1825293968. The cubic root of 22148154 is about 280.8315162960.

The spelling of 22148154 in words is "twenty-two million, one hundred forty-eight thousand, one hundred fifty-four".