222527842 has 16 divisors (see below), whose sum is σ = 344611512. Its totient is φ = 107688960.

The previous prime is 222527831. The next prime is 222527843. The reversal of 222527842 is 248725222.

It can be written as a sum of positive squares in 4 ways, for example, as 188760121 + 33767721 = 13739^2 + 5811^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222527798 and 222527807.

It is not an unprimeable number, because it can be changed into a prime (222527843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6492 + ... + 22072.

Almost surely, 2^222527842 is an apocalyptic number.

222527842 is a deficient number, since it is larger than the sum of its proper divisors (122083670).

222527842 is a wasteful number, since it uses less digits than its factorization.

222527842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15813.

The product of its digits is 35840, while the sum is 34.

The square root of 222527842 is about 14917.3671269430. The cubic root of 222527842 is about 605.9844110764.

The spelling of 222527842 in words is "two hundred twenty-two million, five hundred twenty-seven thousand, eight hundred forty-two".