221362263122 has 128 divisors (see below), whose sum is σ = 457054617600. Its totient is φ = 77623453440.

The previous prime is 221362263097. The next prime is 221362263127.

221362263122 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×221362263122² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221362263127) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17288879 + ... + 17301677.

It is an arithmetic number, because the mean of its divisors is an integer number (3570739200).

Almost surely, 2^221362263122 is an apocalyptic number.

221362263122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221362263122 is an abundant number, since it is smaller than the sum of its proper divisors (235692354478).

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

221362263122 is a wasteful number, since it uses less digits than its factorization.

221362263122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13048.

The product of its digits is 20736, while the sum is 32.

It can be divided in two parts, 221362 and 263122, that added together give a palindrome (484484).

The spelling of 221362263122 in words is "two hundred twenty-one billion, three hundred sixty-two million, two hundred sixty-three thousand, one hundred twenty-two".