222126490 has 8 divisors (see below), whose sum is σ = 399827700. Its totient is φ = 88850592.

The previous prime is 222126469. The next prime is 222126491. The reversal of 222126490 is 94621222.

222126490 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 213072409 + 9054081 = 14597^2 + 3009^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (222126491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11106315 + ... + 11106334.

Almost surely, 2^222126490 is an apocalyptic number.

222126490 is a deficient number, since it is larger than the sum of its proper divisors (177701210).

222126490 is a wasteful number, since it uses less digits than its factorization.

222126490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22212656.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 222126490 is about 14903.9085477602. The cubic root of 222126490 is about 605.6198732882.

The spelling of 222126490 in words is "two hundred twenty-two million, one hundred twenty-six thousand, four hundred ninety".