42223422432157 has 2 divisors, whose sum is σ = 42223422432158. Its totient is φ = 42223422432156.

The previous prime is 42223422432137. The next prime is 42223422432227. The reversal of 42223422432157 is 75123422432224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42009336694521 + 214085737636 = 6481461^2 + 462694^2 .

It is a cyclic number.

It is not a de Polignac number, because 42223422432157 - 2¹⁹ = 42223421907869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42223422432137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21111711216078 + 21111711216079.

It is an arithmetic number, because the mean of its divisors is an integer number (21111711216079).

Almost surely, 2^{42223422432157} is an apocalyptic number.

It is an amenable number.

42223422432157 is a deficient number, since it is larger than the sum of its proper divisors (1).

42223422432157 is an equidigital number, since it uses as much as digits as its factorization.

42223422432157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1290240, while the sum is 43.

The spelling of 42223422432157 in words is "forty-two trillion, two hundred twenty-three billion, four hundred twenty-two million, four hundred thirty-two thousand, one hundred fifty-seven".