222105090 has 32 divisors (see below), whose sum is σ = 535299840. Its totient is φ = 58978304.

The previous prime is 222105053. The next prime is 222105109. The reversal of 222105090 is 90501222.

222105090 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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, 8319 + ... + 22658.

It is an arithmetic number, because the mean of its divisors is an integer number (16728120).

Almost surely, 2^222105090 is an apocalyptic number.

222105090 is an abundant number, since it is smaller than the sum of its proper divisors (313194750).

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

222105090 is a wasteful number, since it uses less digits than its factorization.

222105090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31226.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 222105090 is about 14903.1905979894. The cubic root of 222105090 is about 605.6004238872.

The spelling of 222105090 in words is "two hundred twenty-two million, one hundred five thousand, ninety".