74422000157 has 2 divisors, whose sum is σ = 74422000158. Its totient is φ = 74422000156.

The previous prime is 74422000153. The next prime is 74422000183. The reversal of 74422000157 is 75100022447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46869652036 + 27552348121 = 216494^2 + 165989^2 .

It is a cyclic number.

It is not a de Polignac number, because 74422000157 - 2² = 74422000153 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74422000153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37211000078 + 37211000079.

It is an arithmetic number, because the mean of its divisors is an integer number (37211000079).

Almost surely, 2^74422000157 is an apocalyptic number.

It is an amenable number.

74422000157 is a deficient number, since it is larger than the sum of its proper divisors (1).

74422000157 is an equidigital number, since it uses as much as digits as its factorization.

74422000157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 32.

The spelling of 74422000157 in words is "seventy-four billion, four hundred twenty-two million, one hundred fifty-seven", and thus it is an aban number.