22136064 has 144 divisors (see below), whose sum is σ = 65244480. Its totient is φ = 6635520.

The previous prime is 22136029. The next prime is 22136071. The reversal of 22136064 is 46063122.

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

It is a congruent number.

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, 539884 + ... + 539924.

Almost surely, 2^22136064 is an apocalyptic number.

22136064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22136064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32622240).

22136064 is an abundant number, since it is smaller than the sum of its proper divisors (43108416).

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

22136064 is a wasteful number, since it uses less digits than its factorization.

22136064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 22136064 is about 4704.8978734931. The cubic root of 22136064 is about 280.7804078830.

Adding to 22136064 its reverse (46063122), we get a palindrome (68199186).

The spelling of 22136064 in words is "twenty-two million, one hundred thirty-six thousand, sixty-four".