22216477461222 has 64 divisors (see below), whose sum is σ = 51469020705024. Its totient is φ = 6318300426240.

The previous prime is 22216477461187. The next prime is 22216477461259.

22216477461222 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27650368 + ... + 28442499.

It is an arithmetic number, because the mean of its divisors is an integer number (804203448516).

Almost surely, 2^{22216477461222} is an apocalyptic number.

22216477461222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22216477461222 is an abundant number, since it is smaller than the sum of its proper divisors (29252543243802).

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

22216477461222 is a wasteful number, since it uses less digits than its factorization.

22216477461222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56093253.

The product of its digits is 1806336, while the sum is 48.

It can be divided in two parts, 2221647 and 7461222, that added together give a palindrome (9682869).

The spelling of 22216477461222 in words is "twenty-two trillion, two hundred sixteen billion, four hundred seventy-seven million, four hundred sixty-one thousand, two hundred twenty-two".