2222215505957 has 2 divisors, whose sum is σ = 2222215505958. Its totient is φ = 2222215505956.

The previous prime is 2222215505933. The next prime is 2222215506001. The reversal of 2222215505957 is 7595055122222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1802899683841 + 419315822116 = 1342721^2 + 647546^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222215505957 - 2¹⁸ = 2222215243813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222215505927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111107752978 + 1111107752979.

It is an arithmetic number, because the mean of its divisors is an integer number (1111107752979).

Almost surely, 2^{2222215505957} is an apocalyptic number.

It is an amenable number.

2222215505957 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222215505957 is an equidigital number, since it uses as much as digits as its factorization.

2222215505957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260000, while the sum is 47.

The spelling of 2222215505957 in words is "two trillion, two hundred twenty-two billion, two hundred fifteen million, five hundred five thousand, nine hundred fifty-seven".