156262220 has 12 divisors (see below), whose sum is σ = 328150704. Its totient is φ = 62504880.

The previous prime is 156262219. The next prime is 156262241. The reversal of 156262220 is 22262651.

156262220 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

156262220 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 156262220.

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, 3906536 + ... + 3906575.

It is an arithmetic number, because the mean of its divisors is an integer number (27345892).

Almost surely, 2^156262220 is an apocalyptic number.

156262220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156262220 is an abundant number, since it is smaller than the sum of its proper divisors (171888484).

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

156262220 is a wasteful number, since it uses less digits than its factorization.

156262220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7813120 (or 7813118 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 156262220 is about 12500.4887904434. The cubic root of 156262220 is about 538.6227133110.

The spelling of 156262220 in words is "one hundred fifty-six million, two hundred sixty-two thousand, two hundred twenty".