222122131 has 16 divisors (see below), whose sum is σ = 277482240. Its totient is φ = 172738080.

The previous prime is 222122081. The next prime is 222122149. The reversal of 222122131 is 131221222.

It is a happy number.

222122131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 222122131 - 2¹³ = 222113939 is a prime.

It is a super-2 number, since 2×222122131² = 98676482159962322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222122231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40300 + ... + 45478.

It is an arithmetic number, because the mean of its divisors is an integer number (17342640).

Almost surely, 2^222122131 is an apocalyptic number.

222122131 is a deficient number, since it is larger than the sum of its proper divisors (55360109).

222122131 is a wasteful number, since it uses less digits than its factorization.

222122131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5754.

The product of its digits is 96, while the sum is 16.

The square root of 222122131 is about 14903.7623102356. The cubic root of 222122131 is about 605.6159117102.

Adding to 222122131 its reverse (131221222), we get a palindrome (353343353).

Subtracting from 222122131 its reverse (131221222), we obtain a palindrome (90900909).

The spelling of 222122131 in words is "two hundred twenty-two million, one hundred twenty-two thousand, one hundred thirty-one".