22013451222 has 32 divisors (see below), whose sum is σ = 50345528064. Its totient is φ = 6285924000.

The previous prime is 22013451209. The next prime is 22013451227. The reversal of 22013451222 is 22215431022.

It is a junction number, because it is equal to n+sod(n) for n = 22013451192 and 22013451201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22013451227) 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, 77404 + ... + 223647.

It is an arithmetic number, because the mean of its divisors is an integer number (1573297752).

Almost surely, 2^22013451222 is an apocalyptic number.

22013451222 is an abundant number, since it is smaller than the sum of its proper divisors (28332076842).

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

22013451222 is a wasteful number, since it uses less digits than its factorization.

22013451222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302804.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 22013451222 its reverse (22215431022), we get a palindrome (44228882244).

The spelling of 22013451222 in words is "twenty-two billion, thirteen million, four hundred fifty-one thousand, two hundred twenty-two".