222365120620465 has 4 divisors (see below), whose sum is σ = 266838144744564. Its totient is φ = 177892096496368.

The previous prime is 222365120620459. The next prime is 222365120620519. The reversal of 222365120620465 is 564026021563222.

222365120620465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 116884661765041 + 105480458855424 = 10811321^2 + 10270368^2 .

It is a cyclic number.

It is not a de Polignac number, because 222365120620465 - 2⁹ = 222365120619953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22236512062042 + ... + 22236512062051.

It is an arithmetic number, because the mean of its divisors is an integer number (66709536186141).

Almost surely, 2^{222365120620465} is an apocalyptic number.

It is an amenable number.

222365120620465 is a deficient number, since it is larger than the sum of its proper divisors (44473024124099).

222365120620465 is an equidigital number, since it uses as much as digits as its factorization.

222365120620465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44473024124098.

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 222365120620465 in words is "two hundred twenty-two trillion, three hundred sixty-five billion, one hundred twenty million, six hundred twenty thousand, four hundred sixty-five".