222160536 has 128 divisors (see below), whose sum is σ = 675998400. Its totient is φ = 67184640.

The previous prime is 222160529. The next prime is 222160541. The reversal of 222160536 is 635061222.

222160536 is a `hidden beast` number, since 2 + 2 + 21 + 605 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170640 + ... + 171936.

Almost surely, 2^222160536 is an apocalyptic number.

222160536 is a gapful number since it is divisible by the number (26) 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 222160536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337999200).

222160536 is an abundant number, since it is smaller than the sum of its proper divisors (453837864).

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

222160536 is a wasteful number, since it uses less digits than its factorization.

222160536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386 (or 1376 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 222160536 is about 14905.0506876025. The cubic root of 222160536 is about 605.6508134384.

The spelling of 222160536 in words is "two hundred twenty-two million, one hundred sixty thousand, five hundred thirty-six".