40422202157 has 2 divisors, whose sum is σ = 40422202158. Its totient is φ = 40422202156.

The previous prime is 40422202097. The next prime is 40422202169. The reversal of 40422202157 is 75120222404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21634291396 + 18787910761 = 147086^2 + 137069^2 .

It is a cyclic number.

It is not a de Polignac number, because 40422202157 - 2¹⁴ = 40422185773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40422202057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20211101078 + 20211101079.

It is an arithmetic number, because the mean of its divisors is an integer number (20211101079).

Almost surely, 2^40422202157 is an apocalyptic number.

It is an amenable number.

40422202157 is a deficient number, since it is larger than the sum of its proper divisors (1).

40422202157 is an equidigital number, since it uses as much as digits as its factorization.

40422202157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 29.

The spelling of 40422202157 in words is "forty billion, four hundred twenty-two million, two hundred two thousand, one hundred fifty-seven".