22015039 has 4 divisors (see below), whose sum is σ = 22027456. Its totient is φ = 22002624.

The previous prime is 22015027. The next prime is 22015067. The reversal of 22015039 is 93051022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93051022 = 2 ⋅46525511.

It is a cyclic number.

It is not a de Polignac number, because 22015039 - 2⁹ = 22014527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22015079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2994 + ... + 7279.

It is an arithmetic number, because the mean of its divisors is an integer number (5506864).

Almost surely, 2^22015039 is an apocalyptic number.

22015039 is a deficient number, since it is larger than the sum of its proper divisors (12417).

22015039 is a wasteful number, since it uses less digits than its factorization.

22015039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12416.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 22015039 is about 4692.0186487268. The cubic root of 22015039 is about 280.2677668095.

The spelling of 22015039 in words is "twenty-two million, fifteen thousand, thirty-nine".