15790222 has 16 divisors (see below), whose sum is σ = 27942912. Its totient is φ = 6548760.

The previous prime is 15790219. The next prime is 15790223. The reversal of 15790222 is 22209751.

15790222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15790222² = 498662221618568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15790223) 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, 17758 + ... + 18625.

It is an arithmetic number, because the mean of its divisors is an integer number (1746432).

Almost surely, 2^15790222 is an apocalyptic number.

15790222 is a deficient number, since it is larger than the sum of its proper divisors (12152690).

15790222 is a wasteful number, since it uses less digits than its factorization.

15790222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36423.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 15790222 is about 3973.6912310848. The cubic root of 15790222 is about 250.8780961774.

Adding to 15790222 its reverse (22209751), we get a palindrome (37999973).

The spelling of 15790222 in words is "fifteen million, seven hundred ninety thousand, two hundred twenty-two".