22361136 has 80 divisors (see below), whose sum is σ = 67162368. Its totient is φ = 6278400.

The previous prime is 22361123. The next prime is 22361149. The reversal of 22361136 is 63116322.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22361123) and next prime (22361149).

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19951 + ... + 21041.

Almost surely, 2^22361136 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 22361136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33581184).

22361136 is an abundant number, since it is smaller than the sum of its proper divisors (44801232).

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

22361136 is a wasteful number, since it uses less digits than its factorization.

22361136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170 (or 1164 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

The square root of 22361136 is about 4728.7562846905. The cubic root of 22361136 is about 281.7288273967.

Adding to 22361136 its reverse (63116322), we get a palindrome (85477458).

The spelling of 22361136 in words is "twenty-two million, three hundred sixty-one thousand, one hundred thirty-six".