22845378 has 16 divisors (see below), whose sum is σ = 46270080. Its totient is φ = 7518576.

The previous prime is 22845377. The next prime is 22845379. The reversal of 22845378 is 87354822.

It is an interprime number because it is at equal distance from previous prime (22845377) and next prime (22845379).

It is a super-2 number, since 2×22845378² = 1043822591925768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22845373) 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 7 ways as a sum of consecutive naturals, for example, 23625 + ... + 24572.

It is an arithmetic number, because the mean of its divisors is an integer number (2891880).

Almost surely, 2^22845378 is an apocalyptic number.

22845378 is an abundant number, since it is smaller than the sum of its proper divisors (23424702).

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

22845378 is a wasteful number, since it uses less digits than its factorization.

22845378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48281.

The product of its digits is 107520, while the sum is 39.

The square root of 22845378 is about 4779.6838807603. The cubic root of 22845378 is about 283.7479828044.

The spelling of 22845378 in words is "twenty-two million, eight hundred forty-five thousand, three hundred seventy-eight".