15000022 has 16 divisors (see below), whose sum is σ = 23494032. Its totient is φ = 7175520.

The previous prime is 15000017. The next prime is 15000031. The reversal of 15000022 is 22000051.

It is a junction number, because it is equal to n+sod(n) for n = 14999972 and 15000008.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2853 + ... + 6175.

It is an arithmetic number, because the mean of its divisors is an integer number (1468377).

Almost surely, 2^15000022 is an apocalyptic number.

15000022 is a deficient number, since it is larger than the sum of its proper divisors (8494010).

15000022 is a wasteful number, since it uses less digits than its factorization.

15000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3423.

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 15000022 is about 3872.9861863942. The cubic root of 15000022 is about 246.6213280034.

Adding to 15000022 its reverse (22000051), we get a palindrome (37000073).

The spelling of 15000022 in words is "fifteen million, twenty-two", and thus it is an aban number and an uban number.