15022022 has 4 divisors (see below), whose sum is σ = 22533036. Its totient is φ = 7511010.

The previous prime is 15022019. The next prime is 15022039. The reversal of 15022022 is 22022051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22022051 = 149 ⋅147799.

It is a super-2 number, since 2×15022022² = 451322289936968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15021988 and 15022006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3755504 + ... + 3755507.

It is an arithmetic number, because the mean of its divisors is an integer number (5633259).

Almost surely, 2^15022022 is an apocalyptic number.

15022022 is a deficient number, since it is larger than the sum of its proper divisors (7511014).

15022022 is an equidigital number, since it uses as much as digits as its factorization.

15022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7511013.

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

The square root of 15022022 is about 3875.8253314617. The cubic root of 15022022 is about 246.7418393562.

Adding to 15022022 its reverse (22022051), we get a palindrome (37044073).

The spelling of 15022022 in words is "fifteen million, twenty-two thousand, twenty-two".