2212555045 has 8 divisors (see below), whose sum is σ = 2726824824. Its totient is φ = 1722204864.

The previous prime is 2212555039. The next prime is 2212555057. The reversal of 2212555045 is 5405552122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 698333476 + 1514221569 = 26426^2 + 38913^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2212555045 - 2⁷ = 2212554917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212554998 and 2212555016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5979694 + ... + 5980063.

It is an arithmetic number, because the mean of its divisors is an integer number (340853103).

Almost surely, 2^2212555045 is an apocalyptic number.

It is an amenable number.

2212555045 is a deficient number, since it is larger than the sum of its proper divisors (514269779).

2212555045 is a wasteful number, since it uses less digits than its factorization.

2212555045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11959799.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 2212555045 is about 47037.8044236761. The cubic root of 2212555045 is about 1303.0608438147.

The spelling of 2212555045 in words is "two billion, two hundred twelve million, five hundred fifty-five thousand, forty-five".