152221652 has 48 divisors (see below), whose sum is σ = 298045440. Its totient is φ = 67442400.

The previous prime is 152221627. The next prime is 152221681. The reversal of 152221652 is 256122251.

152221652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 495683 + ... + 495989.

It is an arithmetic number, because the mean of its divisors is an integer number (6209280).

Almost surely, 2^152221652 is an apocalyptic number.

It is an amenable number.

152221652 is a deficient number, since it is larger than the sum of its proper divisors (145823788).

152221652 is a wasteful number, since it uses less digits than its factorization.

152221652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 570 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 152221652 is about 12337.8139068475. The cubic root of 152221652 is about 533.9396145252.

The spelling of 152221652 in words is "one hundred fifty-two million, two hundred twenty-one thousand, six hundred fifty-two".