152222520 has 64 divisors (see below), whose sum is σ = 462949920. Its totient is φ = 40034304.

The previous prime is 152222513. The next prime is 152222557. The reversal of 152222520 is 25222251.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72 + ... + 17448.

Almost surely, 2^152222520 is an apocalyptic number.

152222520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 152222520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231474960).

152222520 is an abundant number, since it is smaller than the sum of its proper divisors (310727400).

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

152222520 is a wasteful number, since it uses less digits than its factorization.

152222520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17464 (or 17460 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 152222520 is about 12337.8490832073. The cubic root of 152222520 is about 533.9406294021.

Adding to 152222520 its reverse (25222251), we get a palindrome (177444771).

It can be divided in two parts, 1522 and 22520, that added together give a palindrome (24042).

The spelling of 152222520 in words is "one hundred fifty-two million, two hundred twenty-two thousand, five hundred twenty".