22493376 has 70 divisors (see below), whose sum is σ = 66692780. Its totient is φ = 7496064.

The previous prime is 22493371. The next prime is 22493377. The reversal of 22493376 is 67339422.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22493376.

It is not an unprimeable number, because it can be changed into a prime (22493371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3015 + ... + 7353.

It is an arithmetic number, because the mean of its divisors is an integer number (952754).

Almost surely, 2^22493376 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 22493376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33346390).

22493376 is an abundant number, since it is smaller than the sum of its proper divisors (44199404).

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

22493376 is an equidigital number, since it uses as much as digits as its factorization.

22493376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4363 (or 4344 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 22493376 is about 4742.7182079478. The cubic root of 22493376 is about 282.2831018445.

It can be divided in two parts, 2249 and 3376, that added together give a square (5625 = 75²).

The spelling of 22493376 in words is "twenty-two million, four hundred ninety-three thousand, three hundred seventy-six".