22241638 has 8 divisors (see below), whose sum is σ = 33401520. Its totient is φ = 11107800.

The previous prime is 22241623. The next prime is 22241689. The reversal of 22241638 is 83614222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4213 + ... + 7888.

It is an arithmetic number, because the mean of its divisors is an integer number (4175190).

Almost surely, 2^22241638 is an apocalyptic number.

22241638 is a deficient number, since it is larger than the sum of its proper divisors (11159882).

22241638 is a wasteful number, since it uses less digits than its factorization.

22241638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13022.

The product of its digits is 4608, while the sum is 28.

The square root of 22241638 is about 4716.1041125064. The cubic root of 22241638 is about 281.2260774385.

The spelling of 22241638 in words is "twenty-two million, two hundred forty-one thousand, six hundred thirty-eight".