6220157 has 2 divisors, whose sum is σ = 6220158. Its totient is φ = 6220156.

The previous prime is 6220141. The next prime is 6220169. The reversal of 6220157 is 7510226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6220036 + 121 = 2494^2 + 11^2 .

It is a cyclic number.

It is not a de Polignac number, because 6220157 - 2⁴ = 6220141 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6220117) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3110078 + 3110079.

It is an arithmetic number, because the mean of its divisors is an integer number (3110079).

Almost surely, 2^6220157 is an apocalyptic number.

It is an amenable number.

6220157 is a deficient number, since it is larger than the sum of its proper divisors (1).

6220157 is an equidigital number, since it uses as much as digits as its factorization.

6220157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 6220157 is about 2494.0242581018. The cubic root of 6220157 is about 183.9079269182.

The spelling of 6220157 in words is "six million, two hundred twenty thousand, one hundred fifty-seven".