15040022 has 32 divisors (see below), whose sum is σ = 24883200. Its totient is φ = 6795360.

The previous prime is 15040013. The next prime is 15040037. The reversal of 15040022 is 22004051.

It is a junction number, because it is equal to n+sod(n) for n = 15039979 and 15040006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75479 + ... + 75677.

It is an arithmetic number, because the mean of its divisors is an integer number (777600).

Almost surely, 2^15040022 is an apocalyptic number.

15040022 is a deficient number, since it is larger than the sum of its proper divisors (9843178).

15040022 is a wasteful number, since it uses less digits than its factorization.

15040022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 15040022 is about 3878.1467223405. The cubic root of 15040022 is about 246.8403520675.

Adding to 15040022 its reverse (22004051), we get a palindrome (37044073).

The spelling of 15040022 in words is "fifteen million, forty thousand, twenty-two".