4722290 has 16 divisors (see below), whose sum is σ = 8550360. Its totient is φ = 1877760.

The previous prime is 4722283. The next prime is 4722293. The reversal of 4722290 is 922274.

It can be written as a sum of positive squares in 4 ways, for example, as 2229049 + 2493241 = 1493^2 + 1579^2 .

It is not an unprimeable number, because it can be changed into a prime (4722293) 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, 506 + ... + 3114.

Almost surely, 2^4722290 is an apocalyptic number.

4722290 is a deficient number, since it is larger than the sum of its proper divisors (3828070).

4722290 is a wasteful number, since it uses less digits than its factorization.

4722290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 4722290 is about 2173.0830632997. The cubic root of 4722290 is about 167.7712542560.

Subtracting from 4722290 its product of nonzero digits (2016), we obtain a palindrome (4720274).

The spelling of 4722290 in words is "four million, seven hundred twenty-two thousand, two hundred ninety".