222061506 has 32 divisors (see below), whose sum is σ = 450717696. Its totient is φ = 72930000.

The previous prime is 222061451. The next prime is 222061537. The reversal of 222061506 is 605160222.

222061506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×222061506² = 98622624893976072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117751 + ... + 119621.

It is an arithmetic number, because the mean of its divisors is an integer number (14084928).

Almost surely, 2^222061506 is an apocalyptic number.

222061506 is an abundant number, since it is smaller than the sum of its proper divisors (228656190).

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

222061506 is a wasteful number, since it uses less digits than its factorization.

222061506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 222061506 is about 14901.7282890274. The cubic root of 222061506 is about 605.5608086830.

The spelling of 222061506 in words is "two hundred twenty-two million, sixty-one thousand, five hundred six".