222140531 has 2 divisors, whose sum is σ = 222140532. Its totient is φ = 222140530.

The previous prime is 222140497. The next prime is 222140539. The reversal of 222140531 is 135041222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222140531 - 2¹⁸ = 221878387 is a prime.

It is a super-2 number, since 2×222140531² = 98692831025923922, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (222140539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111070265 + 111070266.

It is an arithmetic number, because the mean of its divisors is an integer number (111070266).

Almost surely, 2^222140531 is an apocalyptic number.

222140531 is a deficient number, since it is larger than the sum of its proper divisors (1).

222140531 is an equidigital number, since it uses as much as digits as its factorization.

222140531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 222140531 is about 14904.3795912477. The cubic root of 222140531 is about 605.6326337796.

Adding to 222140531 its reverse (135041222), we get a palindrome (357181753).

The spelling of 222140531 in words is "two hundred twenty-two million, one hundred forty thousand, five hundred thirty-one".