222501744481 has 2 divisors, whose sum is σ = 222501744482. Its totient is φ = 222501744480.

The previous prime is 222501744389. The next prime is 222501744559. The reversal of 222501744481 is 184447105222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211953427456 + 10548317025 = 460384^2 + 102705^2 .

It is a cyclic number.

It is not a de Polignac number, because 222501744481 - 2¹⁵ = 222501711713 is a prime.

It is a super-2 number, since 2×222501744481² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222501741481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111250872240 + 111250872241.

It is an arithmetic number, because the mean of its divisors is an integer number (111250872241).

Almost surely, 2^222501744481 is an apocalyptic number.

It is an amenable number.

222501744481 is a deficient number, since it is larger than the sum of its proper divisors (1).

222501744481 is an equidigital number, since it uses as much as digits as its factorization.

222501744481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 143360, while the sum is 40.

The spelling of 222501744481 in words is "two hundred twenty-two billion, five hundred one million, seven hundred forty-four thousand, four hundred eighty-one".