490022251 has 8 divisors (see below), whose sum is σ = 507836880. Its totient is φ = 472268832.

The previous prime is 490022249. The next prime is 490022257. The reversal of 490022251 is 152220094.

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

It is a cyclic number.

It is not a de Polignac number, because 490022251 - 2¹ = 490022249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490022257) 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, 1321 + ... + 31333.

It is an arithmetic number, because the mean of its divisors is an integer number (63479610).

Almost surely, 2^490022251 is an apocalyptic number.

490022251 is a deficient number, since it is larger than the sum of its proper divisors (17814629).

490022251 is a wasteful number, since it uses less digits than its factorization.

490022251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30605.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 490022251 is about 22136.4462143317. The cubic root of 490022251 is about 788.3854495307.

The spelling of 490022251 in words is "four hundred ninety million, twenty-two thousand, two hundred fifty-one".