22999392 has 72 divisors (see below), whose sum is σ = 70447104. Its totient is φ = 7075584.

The previous prime is 22999391. The next prime is 22999393. The reversal of 22999392 is 29399922.

It is an interprime number because it is at equal distance from previous prime (22999391) and next prime (22999393).

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-4 number, since 4×22999392⁴ (a number of 31 digits) contains 4444 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22999391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 673 + ... + 6815.

It is an arithmetic number, because the mean of its divisors is an integer number (978432).

Almost surely, 2^22999392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22999392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35223552).

22999392 is an abundant number, since it is smaller than the sum of its proper divisors (47447712).

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

22999392 is a wasteful number, since it uses less digits than its factorization.

22999392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6172 (or 6161 counting only the distinct ones).

The product of its digits is 157464, while the sum is 45.

The square root of 22999392 is about 4795.7681345119. The cubic root of 22999392 is about 284.3841920629.

The spelling of 22999392 in words is "twenty-two million, nine hundred ninety-nine thousand, three hundred ninety-two".