22040148 has 24 divisors (see below), whose sum is σ = 55383328. Its totient is φ = 6781536.

The previous prime is 22040147. The next prime is 22040167. The reversal of 22040148 is 84104022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22040147) 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, 70486 + ... + 70797.

Almost surely, 2^22040148 is an apocalyptic number.

It is an amenable number.

22040148 is an abundant number, since it is smaller than the sum of its proper divisors (33343180).

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

22040148 is a wasteful number, since it uses less digits than its factorization.

22040148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141303 (or 141301 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 22040148 is about 4694.6936002257. The cubic root of 22040148 is about 280.3742783875.

It can be divided in two parts, 2204014 and 8, that added together give a palindrome (2204022).

The spelling of 22040148 in words is "twenty-two million, forty thousand, one hundred forty-eight".