22115073 has 8 divisors (see below), whose sum is σ = 29512000. Its totient is φ = 14730768.

The previous prime is 22115063. The next prime is 22115087. The reversal of 22115073 is 37051122.

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

It is not a de Polignac number, because 22115073 - 2⁴ = 22115057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22115033) 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, 2268 + ... + 7026.

It is an arithmetic number, because the mean of its divisors is an integer number (3689000).

Almost surely, 2^22115073 is an apocalyptic number.

It is an amenable number.

22115073 is a deficient number, since it is larger than the sum of its proper divisors (7396927).

22115073 is a wasteful number, since it uses less digits than its factorization.

22115073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6311.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 22115073 is about 4702.6665839713. Note that the first 3 decimals coincide. The cubic root of 22115073 is about 280.6916277891.

Adding to 22115073 its reverse (37051122), we get a palindrome (59166195).

The spelling of 22115073 in words is "twenty-two million, one hundred fifteen thousand, seventy-three".