222773157361257 has 4 divisors (see below), whose sum is σ = 297030876481680. Its totient is φ = 148515438240836.

The previous prime is 222773157361229. The next prime is 222773157361283. The reversal of 222773157361257 is 752163751377222.

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 222773157361257 - 2¹² = 222773157357161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222773157361257.

It is not an unprimeable number, because it can be changed into a prime (222773157361217) 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, 37128859560207 + ... + 37128859560212.

It is an arithmetic number, because the mean of its divisors is an integer number (74257719120420).

Almost surely, 2^{222773157361257} is an apocalyptic number.

It is an amenable number.

222773157361257 is a deficient number, since it is larger than the sum of its proper divisors (74257719120423).

222773157361257 is an equidigital number, since it uses as much as digits as its factorization.

222773157361257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74257719120422.

The product of its digits is 51861600, while the sum is 60.

The spelling of 222773157361257 in words is "two hundred twenty-two trillion, seven hundred seventy-three billion, one hundred fifty-seven million, three hundred sixty-one thousand, two hundred fifty-seven".