156422332 has 12 divisors (see below), whose sum is σ = 298624536. Its totient is φ = 71101040.

The previous prime is 156422323. The next prime is 156422341. The reversal of 156422332 is 233224651.

It is an interprime number because it is at equal distance from previous prime (156422323) and next prime (156422341).

It is a self number, because there is not a number n which added to its sum of digits gives 156422332.

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 3 ways as a sum of consecutive naturals, for example, 1777483 + ... + 1777570.

It is an arithmetic number, because the mean of its divisors is an integer number (24885378).

Almost surely, 2^156422332 is an apocalyptic number.

It is an amenable number.

156422332 is a deficient number, since it is larger than the sum of its proper divisors (142202204).

156422332 is a wasteful number, since it uses less digits than its factorization.

156422332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3555068 (or 3555066 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 156422332 is about 12506.8913803551. The cubic root of 156422332 is about 538.8066147081.

Adding to 156422332 its reverse (233224651), we get a palindrome (389646983).

The spelling of 156422332 in words is "one hundred fifty-six million, four hundred twenty-two thousand, three hundred thirty-two".