221460064122 has 32 divisors (see below), whose sum is σ = 483304812480. Its totient is φ = 67092552320.

The previous prime is 221460064117. The next prime is 221460064123.

221460064122 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 221460064122.

It is not an unprimeable number, because it can be changed into a prime (221460064123) 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, 143097 + ... + 680732.

It is an arithmetic number, because the mean of its divisors is an integer number (15103275390).

Almost surely, 2^221460064122 is an apocalyptic number.

221460064122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221460064122 is an abundant number, since it is smaller than the sum of its proper divisors (261844748358).

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

221460064122 is a wasteful number, since it uses less digits than its factorization.

221460064122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827918.

The product of its (nonzero) digits is 9216, while the sum is 30.

It can be divided in two parts, 2214600 and 64122, that added together give a palindrome (2278722).

The spelling of 221460064122 in words is "two hundred twenty-one billion, four hundred sixty million, sixty-four thousand, one hundred twenty-two".