22831242 has 16 divisors (see below), whose sum is σ = 52185792. Its totient is φ = 6523200.

The previous prime is 22831241. The next prime is 22831243. The reversal of 22831242 is 24213822.

It is an interprime number because it is at equal distance from previous prime (22831241) and next prime (22831243).

It is a super-2 number, since 2×22831242² = 1042531222525128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22831241) 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, 271759 + ... + 271842.

It is an arithmetic number, because the mean of its divisors is an integer number (3261612).

Almost surely, 2^22831242 is an apocalyptic number.

22831242 is an abundant number, since it is smaller than the sum of its proper divisors (29354550).

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

22831242 is a wasteful number, since it uses less digits than its factorization.

22831242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543613.

The product of its digits is 1536, while the sum is 24.

The square root of 22831242 is about 4778.2048930535. The cubic root of 22831242 is about 283.6894459591.

The spelling of 22831242 in words is "twenty-two million, eight hundred thirty-one thousand, two hundred forty-two".