20221013222 has 32 divisors (see below), whose sum is σ = 33237993600. Its totient is φ = 9183541248.

The previous prime is 20221013173. The next prime is 20221013231. The reversal of 20221013222 is 22231012202.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 20221013222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3861518 + ... + 3866750.

It is an arithmetic number, because the mean of its divisors is an integer number (1038687300).

Almost surely, 2^20221013222 is an apocalyptic number.

20221013222 is a deficient number, since it is larger than the sum of its proper divisors (13016980378).

20221013222 is a wasteful number, since it uses less digits than its factorization.

20221013222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9200.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20221013222 its reverse (22231012202), we get a palindrome (42452025424).

The spelling of 20221013222 in words is "twenty billion, two hundred twenty-one million, thirteen thousand, two hundred twenty-two".