2227747157 has 2 divisors, whose sum is σ = 2227747158. Its totient is φ = 2227747156.

The previous prime is 2227747153. The next prime is 2227747183. The reversal of 2227747157 is 7517477222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2224159921 + 3587236 = 47161^2 + 1894^2 .

It is a cyclic number.

It is not a de Polignac number, because 2227747157 - 2² = 2227747153 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2227747153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1113873578 + 1113873579.

It is an arithmetic number, because the mean of its divisors is an integer number (1113873579).

Almost surely, 2^2227747157 is an apocalyptic number.

It is an amenable number.

2227747157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2227747157 is an equidigital number, since it uses as much as digits as its factorization.

2227747157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384160, while the sum is 44.

The square root of 2227747157 is about 47199.0164833972. The cubic root of 2227747157 is about 1306.0364547874.

The spelling of 2227747157 in words is "two billion, two hundred twenty-seven million, seven hundred forty-seven thousand, one hundred fifty-seven".