222680431 has 2 divisors, whose sum is σ = 222680432. Its totient is φ = 222680430.

The previous prime is 222680387. The next prime is 222680443. The reversal of 222680431 is 134086222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222680431 - 2⁷ = 222680303 is a prime.

It is a super-2 number, since 2×222680431² = 99173148700691522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222680431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222680131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111340215 + 111340216.

It is an arithmetic number, because the mean of its divisors is an integer number (111340216).

Almost surely, 2^222680431 is an apocalyptic number.

222680431 is a deficient number, since it is larger than the sum of its proper divisors (1).

222680431 is an equidigital number, since it uses as much as digits as its factorization.

222680431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 222680431 is about 14922.4807254022. The cubic root of 222680431 is about 606.1228887721.

The spelling of 222680431 in words is "two hundred twenty-two million, six hundred eighty thousand, four hundred thirty-one".