22068415 has 4 divisors (see below), whose sum is σ = 26482104. Its totient is φ = 17654728.

The previous prime is 22068379. The next prime is 22068451. The reversal of 22068415 is 51486022.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22068379) and next prime (22068451).

It is a cyclic number.

It is not a de Polignac number, because 22068415 - 2⁷ = 22068287 is a prime.

It is a super-2 number, since 2×22068415² = 974029881224450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2206837 + ... + 2206846.

It is an arithmetic number, because the mean of its divisors is an integer number (6620526).

Almost surely, 2^22068415 is an apocalyptic number.

22068415 is a deficient number, since it is larger than the sum of its proper divisors (4413689).

22068415 is an equidigital number, since it uses as much as digits as its factorization.

22068415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4413688.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 22068415 is about 4697.7031621847. The cubic root of 22068415 is about 280.4940893494.

It can be divided in two parts, 220 and 68415, that added together give a triangular number (68635 = T₃₇₀).

The spelling of 22068415 in words is "twenty-two million, sixty-eight thousand, four hundred fifteen".