22416642 has 32 divisors (see below), whose sum is σ = 52747200. Its totient is φ = 7032384.

The previous prime is 22416587. The next prime is 22416649. The reversal of 22416642 is 24661422.

22416642 is a `hidden beast` number, since 2 + 2 + 4 + 16 + 642 = 666.

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 (22416649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11292 + ... + 13127.

It is an arithmetic number, because the mean of its divisors is an integer number (1648350).

Almost surely, 2^22416642 is an apocalyptic number.

22416642 is an abundant number, since it is smaller than the sum of its proper divisors (30330558).

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

22416642 is a wasteful number, since it uses less digits than its factorization.

22416642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24447 (or 24441 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 22416642 is about 4734.6216321898. The cubic root of 22416642 is about 281.9617422070.

The spelling of 22416642 in words is "twenty-two million, four hundred sixteen thousand, six hundred forty-two".