581222022 has 32 divisors (see below), whose sum is σ = 1189209600. Its totient is φ = 189294048.

The previous prime is 581222017. The next prime is 581222023. The reversal of 581222022 is 220222185.

It is a junction number, because it is equal to n+sod(n) for n = 581221983 and 581222001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (581222023) 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, 207004 + ... + 209792.

It is an arithmetic number, because the mean of its divisors is an integer number (37162800).

Almost surely, 2^581222022 is an apocalyptic number.

581222022 is an abundant number, since it is smaller than the sum of its proper divisors (607987578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

581222022 is a wasteful number, since it uses less digits than its factorization.

581222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3580.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 581222022 is about 24108.5466588096. The cubic root of 581222022 is about 834.5403769263.

The spelling of 581222022 in words is "five hundred eighty-one million, two hundred twenty-two thousand, twenty-two".