22303452 has 48 divisors (see below), whose sum is σ = 53932032. Its totient is φ = 7168320.

The previous prime is 22303447. The next prime is 22303469. The reversal of 22303452 is 25430322.

It is a super-2 number, since 2×22303452² = 994887942232608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84673 + ... + 84935.

It is an arithmetic number, because the mean of its divisors is an integer number (1123584).

Almost surely, 2^22303452 is an apocalyptic number.

It is an amenable number.

22303452 is an abundant number, since it is smaller than the sum of its proper divisors (31628580).

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

22303452 is a wasteful number, since it uses less digits than its factorization.

22303452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 22303452 is about 4722.6530679270. The cubic root of 22303452 is about 281.4863644625.

Adding to 22303452 its reverse (25430322), we get a palindrome (47733774).

The spelling of 22303452 in words is "twenty-two million, three hundred three thousand, four hundred fifty-two".