15956226 has 48 divisors (see below), whose sum is σ = 40622400. Its totient is φ = 4462560.

The previous prime is 15956221. The next prime is 15956231. The reversal of 15956226 is 62265951.

15956226 is a `hidden beast` number, since 1 + 595 + 62 + 2 + 6 = 666.

15956226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15956221) and next prime (15956231).

It is a super-2 number, since 2×15956226² = 509202296326152, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (15956221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 526 + ... + 5673.

It is an arithmetic number, because the mean of its divisors is an integer number (846300).

Almost surely, 2^15956226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15956226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20311200).

15956226 is an abundant number, since it is smaller than the sum of its proper divisors (24666174).

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

15956226 is a wasteful number, since it uses less digits than its factorization.

15956226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6231 (or 6228 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 15956226 is about 3994.5245023657. The cubic root of 15956226 is about 251.7542009925.

The spelling of 15956226 in words is "fifteen million, nine hundred fifty-six thousand, two hundred twenty-six".