422730151 has 4 divisors (see below), whose sum is σ = 422899704. Its totient is φ = 422560600.

The previous prime is 422730149. The next prime is 422730169. The reversal of 422730151 is 151037224.

It is a happy number.

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 422730151 - 2¹ = 422730149 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 (422730101) 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, 80980 + ... + 86041.

It is an arithmetic number, because the mean of its divisors is an integer number (105724926).

Almost surely, 2^422730151 is an apocalyptic number.

422730151 is a deficient number, since it is larger than the sum of its proper divisors (169553).

422730151 is a wasteful number, since it uses less digits than its factorization.

422730151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169552.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 422730151 is about 20560.4025009240. The cubic root of 422730151 is about 750.5064141308.

Adding to 422730151 its reverse (151037224), we get a palindrome (573767375).

The spelling of 422730151 in words is "four hundred twenty-two million, seven hundred thirty thousand, one hundred fifty-one".