222241431 has 16 divisors (see below), whose sum is σ = 301397760. Its totient is φ = 145635840.

The previous prime is 222241403. The next prime is 222241441. The reversal of 222241431 is 134142222.

It is not a de Polignac number, because 222241431 - 2⁹ = 222240919 is a prime.

It is a super-2 number, since 2×222241431² = 98782507305855522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222241398 and 222241407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222241441) 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, 79351 + ... + 82103.

It is an arithmetic number, because the mean of its divisors is an integer number (18837360).

Almost surely, 2^222241431 is an apocalyptic number.

222241431 is a deficient number, since it is larger than the sum of its proper divisors (79156329).

222241431 is a wasteful number, since it uses less digits than its factorization.

222241431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206.

The product of its digits is 768, while the sum is 21.

The square root of 222241431 is about 14907.7641180695. The cubic root of 222241431 is about 605.7243161074.

Adding to 222241431 its reverse (134142222), we get a palindrome (356383653).

The spelling of 222241431 in words is "two hundred twenty-two million, two hundred forty-one thousand, four hundred thirty-one".