220222431 has 48 divisors (see below), whose sum is σ = 376740000. Its totient is φ = 122204160.

The previous prime is 220222417. The next prime is 220222451. The reversal of 220222431 is 134222022.

It is not a de Polignac number, because 220222431 - 2¹¹ = 220220383 is a prime.

It is a super-2 number, since 2×220222431² = 96995838231099522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220222411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 175695 + ... + 176943.

It is an arithmetic number, because the mean of its divisors is an integer number (7848750).

Almost surely, 2^220222431 is an apocalyptic number.

220222431 is a deficient number, since it is larger than the sum of its proper divisors (156517569).

220222431 is a wasteful number, since it uses less digits than its factorization.

220222431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416 (or 1413 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 220222431 is about 14839.8932273787. The cubic root of 220222431 is about 603.8844557352.

Adding to 220222431 its reverse (134222022), we get a palindrome (354444453).

The spelling of 220222431 in words is "two hundred twenty million, two hundred twenty-two thousand, four hundred thirty-one".