22414428 has 24 divisors (see below), whose sum is σ = 58111760. Its totient is φ = 7471440.

The previous prime is 22414417. The next prime is 22414429. The reversal of 22414428 is 82441422.

22414428 is a `hidden beast` number, since 224 + 14 + 428 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22414429) 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, 103663 + ... + 103878.

Almost surely, 2^22414428 is an apocalyptic number.

It is an amenable number.

22414428 is an abundant number, since it is smaller than the sum of its proper divisors (35697332).

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

22414428 is a wasteful number, since it uses less digits than its factorization.

22414428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207554 (or 207546 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

The square root of 22414428 is about 4734.3878168143. The cubic root of 22414428 is about 281.9524591655.

The spelling of 22414428 in words is "twenty-two million, four hundred fourteen thousand, four hundred twenty-eight".