22303152 has 30 divisors (see below), whose sum is σ = 62418252. Its totient is φ = 7434336.

The previous prime is 22303147. The next prime is 22303157. The reversal of 22303152 is 25130322.

It is an interprime number because it is at equal distance from previous prime (22303147) and next prime (22303157).

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

It is not an unprimeable number, because it can be changed into a prime (22303157) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77298 + ... + 77585.

Almost surely, 2^22303152 is an apocalyptic number.

It is an amenable number.

22303152 is an abundant number, since it is smaller than the sum of its proper divisors (40115100).

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

22303152 is a wasteful number, since it uses less digits than its factorization.

22303152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154897 (or 154888 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 22303152 is about 4722.6213060122. The cubic root of 22303152 is about 281.4851023815.

Adding to 22303152 its reverse (25130322), we get a palindrome (47433474).

The spelling of 22303152 in words is "twenty-two million, three hundred three thousand, one hundred fifty-two".