222125431 has 8 divisors (see below), whose sum is σ = 247474944. Its totient is φ = 197635320.

The previous prime is 222125429. The next prime is 222125443. The reversal of 222125431 is 134521222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 222125431 - 2¹ = 222125429 is a prime.

It is a super-2 number, since 2×222125431² = 98679414193871522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222125411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214305 + ... + 215338.

It is an arithmetic number, because the mean of its divisors is an integer number (30934368).

Almost surely, 2^222125431 is an apocalyptic number.

222125431 is a deficient number, since it is larger than the sum of its proper divisors (25349513).

222125431 is a wasteful number, since it uses less digits than its factorization.

222125431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429701.

The product of its digits is 960, while the sum is 22.

The square root of 222125431 is about 14903.8730201247. The cubic root of 222125431 is about 605.6189108449.

Adding to 222125431 its reverse (134521222), we get a palindrome (356646653).

The spelling of 222125431 in words is "two hundred twenty-two million, one hundred twenty-five thousand, four hundred thirty-one".