2253221210557 has 2 divisors, whose sum is σ = 2253221210558. Its totient is φ = 2253221210556.

The previous prime is 2253221210543. The next prime is 2253221210633. The reversal of 2253221210557 is 7550121223522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2200220422596 + 53000787961 = 1483314^2 + 230219^2 .

It is a cyclic number.

It is not a de Polignac number, because 2253221210557 - 2¹⁵ = 2253221177789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2253221213557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1126610605278 + 1126610605279.

It is an arithmetic number, because the mean of its divisors is an integer number (1126610605279).

Almost surely, 2^{2253221210557} is an apocalyptic number.

It is an amenable number.

2253221210557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2253221210557 is an equidigital number, since it uses as much as digits as its factorization.

2253221210557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 2253221210557 in words is "two trillion, two hundred fifty-three billion, two hundred twenty-one million, two hundred ten thousand, five hundred fifty-seven".