152220232 has 8 divisors (see below), whose sum is σ = 285412950. Its totient is φ = 76110112.

The previous prime is 152220221. The next prime is 152220241. The reversal of 152220232 is 232022251.

It can be written as a sum of positive squares in only one way, i.e., 84750436 + 67469796 = 9206^2 + 8214^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9513757 + ... + 9513772.

Almost surely, 2^152220232 is an apocalyptic number.

It is an amenable number.

152220232 is a deficient number, since it is larger than the sum of its proper divisors (133192718).

152220232 is a wasteful number, since it uses less digits than its factorization.

152220232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19027535 (or 19027531 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 152220232 is about 12337.7563600519. The cubic root of 152220232 is about 533.9379542345.

Adding to 152220232 its reverse (232022251), we get a palindrome (384242483).

The spelling of 152220232 in words is "one hundred fifty-two million, two hundred twenty thousand, two hundred thirty-two".