22115051 has 8 divisors (see below), whose sum is σ = 25812480. Its totient is φ = 18552168.

The previous prime is 22115047. The next prime is 22115057. The reversal of 22115051 is 15051122.

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 22115051 - 2² = 22115047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22115057) 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, 33281 + ... + 33938.

It is an arithmetic number, because the mean of its divisors is an integer number (3226560).

Almost surely, 2^22115051 is an apocalyptic number.

22115051 is a deficient number, since it is larger than the sum of its proper divisors (3697429).

22115051 is an equidigital number, since it uses as much as digits as its factorization.

22115051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67273.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 22115051 is about 4702.6642448723. The cubic root of 22115051 is about 280.6915347121.

Adding to 22115051 its reverse (15051122), we get a palindrome (37166173).

The spelling of 22115051 in words is "twenty-two million, one hundred fifteen thousand, fifty-one".