22430052 has 18 divisors (see below), whose sum is σ = 56698278. Its totient is φ = 7476672.

The previous prime is 22430041. The next prime is 22430069. The reversal of 22430052 is 25003422.

It can be written as a sum of positive squares in only one way, i.e., 15492096 + 6937956 = 3936^2 + 2634^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 311493 + ... + 311564.

Almost surely, 2^22430052 is an apocalyptic number.

It is an amenable number.

22430052 is an abundant number, since it is smaller than the sum of its proper divisors (34268226).

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

22430052 is a wasteful number, since it uses less digits than its factorization.

22430052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623067 (or 623062 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 22430052 is about 4736.0375843103. The cubic root of 22430052 is about 282.0179556999.

Adding to 22430052 its reverse (25003422), we get a palindrome (47433474).

It can be divided in two parts, 224 and 30052, that added together give a square (30276 = 174²).

The spelling of 22430052 in words is "twenty-two million, four hundred thirty thousand, fifty-two".