22654242 has 80 divisors (see below), whose sum is σ = 56593152. Its totient is φ = 6726240.

The previous prime is 22654237. The next prime is 22654243. The reversal of 22654242 is 24245622.

It is a happy number.

22654242 is a `hidden beast` number, since 2 + 2 + 654 + 2 + 4 + 2 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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 (22654243) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 65113 + ... + 65459.

Almost surely, 2^22654242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22654242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28296576).

22654242 is an abundant number, since it is smaller than the sum of its proper divisors (33938910).

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

22654242 is a wasteful number, since it uses less digits than its factorization.

22654242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 396 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 22654242 is about 4759.6472558373. The cubic root of 22654242 is about 282.9544391770.

Adding to 22654242 its reverse (24245622), we get a palindrome (46899864).

The spelling of 22654242 in words is "twenty-two million, six hundred fifty-four thousand, two hundred forty-two".