222433565155561 has 4 divisors (see below), whose sum is σ = 227166194201472. Its totient is φ = 217700936109652.

The previous prime is 222433565155463. The next prime is 222433565155577. The reversal of 222433565155561 is 165551565334222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222433565155561 - 2²¹ = 222433563058409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222433565155661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2366314522885 + ... + 2366314522978.

It is an arithmetic number, because the mean of its divisors is an integer number (56791548550368).

Almost surely, 2^{222433565155561} is an apocalyptic number.

It is an amenable number.

222433565155561 is a deficient number, since it is larger than the sum of its proper divisors (4732629045911).

222433565155561 is an equidigital number, since it uses as much as digits as its factorization.

222433565155561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4732629045910.

The product of its digits is 32400000, while the sum is 55.

The spelling of 222433565155561 in words is "two hundred twenty-two trillion, four hundred thirty-three billion, five hundred sixty-five million, one hundred fifty-five thousand, five hundred sixty-one".