2222655123645 has 32 divisors (see below), whose sum is σ = 4310603879040. Its totient is φ = 1077650968320.

The previous prime is 2222655123631. The next prime is 2222655123679. The reversal of 2222655123645 is 5463215562222.

It is a happy number.

2222655123645 is a `hidden beast` number, since 2 + 2 + 2 + 2 + 65 + 512 + 36 + 45 = 666.

It is not a de Polignac number, because 2222655123645 - 2⁵ = 2222655123613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2222655123645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 748367244 + ... + 748370213.

It is an arithmetic number, because the mean of its divisors is an integer number (134706371220).

Almost surely, 2^{2222655123645} is an apocalyptic number.

It is an amenable number.

2222655123645 is a deficient number, since it is larger than the sum of its proper divisors (2087948755395).

2222655123645 is a wasteful number, since it uses less digits than its factorization.

2222655123645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496737482 (or 1496737476 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 45.

The spelling of 2222655123645 in words is "two trillion, two hundred twenty-two billion, six hundred fifty-five million, one hundred twenty-three thousand, six hundred forty-five".