22053756 has 48 divisors (see below), whose sum is σ = 54552960. Its totient is φ = 6914880.

The previous prime is 22053751. The next prime is 22053761. The reversal of 22053756 is 65735022.

It is an interprime number because it is at equal distance from previous prime (22053751) and next prime (22053761).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22053751) 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 15 ways as a sum of consecutive naturals, for example, 44671 + ... + 45161.

It is an arithmetic number, because the mean of its divisors is an integer number (1136520).

Almost surely, 2^22053756 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 22053756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27276480).

22053756 is an abundant number, since it is smaller than the sum of its proper divisors (32499204).

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

22053756 is a wasteful number, since it uses less digits than its factorization.

22053756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 22053756 is about 4696.1426724494. The cubic root of 22053756 is about 280.4319692922.

Adding to 22053756 its reverse (65735022), we get a palindrome (87788778).

The spelling of 22053756 in words is "twenty-two million, fifty-three thousand, seven hundred fifty-six".