422273251 has 4 divisors (see below), whose sum is σ = 447112872. Its totient is φ = 397433632.

The previous prime is 422273231. The next prime is 422273273. The reversal of 422273251 is 152372224.

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 422273251 - 2⁵ = 422273219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422273221) 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, 12419785 + ... + 12419818.

It is an arithmetic number, because the mean of its divisors is an integer number (111778218).

Almost surely, 2^422273251 is an apocalyptic number.

422273251 is a deficient number, since it is larger than the sum of its proper divisors (24839621).

422273251 is a wasteful number, since it uses less digits than its factorization.

422273251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24839620.

The product of its digits is 6720, while the sum is 28.

The square root of 422273251 is about 20549.2883331759. The cubic root of 422273251 is about 750.2359263698.

The spelling of 422273251 in words is "four hundred twenty-two million, two hundred seventy-three thousand, two hundred fifty-one".