22081052 has 24 divisors (see below), whose sum is σ = 45588480. Its totient is φ = 9157680.

The previous prime is 22081051. The next prime is 22081057. The reversal of 22081052 is 25018022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22081051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11852 + ... + 13587.

It is an arithmetic number, because the mean of its divisors is an integer number (1899520).

Almost surely, 2^22081052 is an apocalyptic number.

It is an amenable number.

22081052 is an abundant number, since it is smaller than the sum of its proper divisors (23507428).

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

22081052 is a wasteful number, since it uses less digits than its factorization.

22081052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25481 (or 25479 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 22081052 is about 4699.0479886888. The cubic root of 22081052 is about 280.5476187555.

Adding to 22081052 its reverse (25018022), we get a palindrome (47099074).

The spelling of 22081052 in words is "twenty-two million, eighty-one thousand, fifty-two".