422256151 has 4 divisors (see below), whose sum is σ = 424697112. Its totient is φ = 419815192.

The previous prime is 422256137. The next prime is 422256157. The reversal of 422256151 is 151652224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422256151 - 2⁵ = 422256119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422256157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1220221 + ... + 1220566.

It is an arithmetic number, because the mean of its divisors is an integer number (106174278).

Almost surely, 2^422256151 is an apocalyptic number.

422256151 is a deficient number, since it is larger than the sum of its proper divisors (2440961).

422256151 is a wasteful number, since it uses less digits than its factorization.

422256151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440960.

The product of its digits is 4800, while the sum is 28.

The square root of 422256151 is about 20548.8722561604. The cubic root of 422256151 is about 750.2257992720.

The spelling of 422256151 in words is "four hundred twenty-two million, two hundred fifty-six thousand, one hundred fifty-one".