22215079 has 8 divisors (see below), whose sum is σ = 23230080. Its totient is φ = 21204216.

The previous prime is 22215049. The next prime is 22215091. The reversal of 22215079 is 97051222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22215079 - 2⁹ = 22214567 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 (22215049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16344 + ... + 17650.

It is an arithmetic number, because the mean of its divisors is an integer number (2903760).

Almost surely, 2^22215079 is an apocalyptic number.

22215079 is a deficient number, since it is larger than the sum of its proper divisors (1015001).

22215079 is a wasteful number, since it uses less digits than its factorization.

22215079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 22215079 is about 4713.2874938836. The cubic root of 22215079 is about 281.1140944041.

It can be divided in two parts, 222150 and 79, that multiplied together give a triangular number (17549850 = T₅₉₂₄).

The spelling of 22215079 in words is "twenty-two million, two hundred fifteen thousand, seventy-nine".