22275642 has 16 divisors (see below), whose sum is σ = 44599680. Its totient is φ = 7417152.

The previous prime is 22275637. The next prime is 22275647. The reversal of 22275642 is 24657222.

It is an interprime number because it is at equal distance from previous prime (22275637) and next prime (22275647).

It is not an unprimeable number, because it can be changed into a prime (22275647) 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, 7234 + ... + 9842.

It is an arithmetic number, because the mean of its divisors is an integer number (2787480).

Almost surely, 2^22275642 is an apocalyptic number.

22275642 is an abundant number, since it is smaller than the sum of its proper divisors (22324038).

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

22275642 is a wasteful number, since it uses less digits than its factorization.

22275642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037.

The product of its digits is 13440, while the sum is 30.

The square root of 22275642 is about 4719.7078299403. The cubic root of 22275642 is about 281.3693214196.

The spelling of 22275642 in words is "twenty-two million, two hundred seventy-five thousand, six hundred forty-two".