422849157 has 8 divisors (see below), whose sum is σ = 564077376. Its totient is φ = 281760192.

The previous prime is 422849137. The next prime is 422849171. The reversal of 422849157 is 751948224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 422849157 - 2¹⁰ = 422848133 is a prime.

It is a super-2 number, since 2×422849157² = 357602819151221298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422849117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27508 + ... + 40029.

It is an arithmetic number, because the mean of its divisors is an integer number (70509672).

Almost surely, 2^422849157 is an apocalyptic number.

It is an amenable number.

422849157 is a deficient number, since it is larger than the sum of its proper divisors (141228219).

422849157 is a wasteful number, since it uses less digits than its factorization.

422849157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69627.

The product of its digits is 161280, while the sum is 42.

The square root of 422849157 is about 20563.2963553998. The cubic root of 422849157 is about 750.5768344578.

The spelling of 422849157 in words is "four hundred twenty-two million, eight hundred forty-nine thousand, one hundred fifty-seven".