22220052 has 12 divisors (see below), whose sum is σ = 51846816. Its totient is φ = 7406680.

The previous prime is 22220041. The next prime is 22220057. The reversal of 22220052 is 25002222.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925824 + ... + 925847.

It is an arithmetic number, because the mean of its divisors is an integer number (4320568).

Almost surely, 2^22220052 is an apocalyptic number.

It is an amenable number.

22220052 is an abundant number, since it is smaller than the sum of its proper divisors (29626764).

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

22220052 is a wasteful number, since it uses less digits than its factorization.

22220052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851678 (or 1851676 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 22220052 is about 4713.8150154625. The cubic root of 22220052 is about 281.1350692877.

Adding to 22220052 its reverse (25002222), we get a palindrome (47222274).

It can be divided in two parts, 222 and 20052, that multiplied together give a palindrome (4451544).

The spelling of 22220052 in words is "twenty-two million, two hundred twenty thousand, fifty-two".