22127064 has 64 divisors (see below), whose sum is σ = 59084640. Its totient is φ = 6881280.

The previous prime is 22127057. The next prime is 22127089. The reversal of 22127064 is 46072122.

It is a super-2 number, since 2×22127064² = 979213922520192, which contains 22 as substring.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78604 + ... + 78884.

Almost surely, 2^22127064 is an apocalyptic number.

22127064 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 22127064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29542320).

22127064 is an abundant number, since it is smaller than the sum of its proper divisors (36957576).

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

22127064 is a wasteful number, since it uses less digits than its factorization.

22127064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 22127064 is about 4703.9413261647. The cubic root of 22127064 is about 280.7423498340.

Adding to 22127064 its reverse (46072122), we get a palindrome (68199186).

The spelling of 22127064 in words is "twenty-two million, one hundred twenty-seven thousand, sixty-four".