222020331 has 16 divisors (see below), whose sum is σ = 319119360. Its totient is φ = 136490400.

The previous prime is 222020329. The next prime is 222020353. The reversal of 222020331 is 133020222.

It is not a de Polignac number, because 222020331 - 2¹ = 222020329 is a prime.

It is a super-2 number, since 2×222020331² = 98586054754699122, 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 222020331.

It is not an unprimeable number, because it can be changed into a prime (222020131) 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 in 15 ways as a sum of consecutive naturals, for example, 47656 + ... + 52106.

It is an arithmetic number, because the mean of its divisors is an integer number (19944960).

Almost surely, 2^222020331 is an apocalyptic number.

222020331 is a deficient number, since it is larger than the sum of its proper divisors (97099029).

222020331 is a wasteful number, since it uses less digits than its factorization.

222020331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5746.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 222020331 is about 14900.3466738194. The cubic root of 222020331 is about 605.5233783512.

Adding to 222020331 its reverse (133020222), we get a palindrome (355040553).

The spelling of 222020331 in words is "two hundred twenty-two million, twenty thousand, three hundred thirty-one".