22119115 has 4 divisors (see below), whose sum is σ = 26542944. Its totient is φ = 17695288.

The previous prime is 22119113. The next prime is 22119121. The reversal of 22119115 is 51191122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51191122 = 2 ⋅25595561.

It is a cyclic number.

It is not a de Polignac number, because 22119115 - 2¹ = 22119113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22119113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2211907 + ... + 2211916.

It is an arithmetic number, because the mean of its divisors is an integer number (6635736).

Almost surely, 2^22119115 is an apocalyptic number.

22119115 is a deficient number, since it is larger than the sum of its proper divisors (4423829).

22119115 is an equidigital number, since it uses as much as digits as its factorization.

22119115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4423828.

The product of its digits is 180, while the sum is 22.

The square root of 22119115 is about 4703.0963205106. The cubic root of 22119115 is about 280.7087275359.

The spelling of 22119115 in words is "twenty-two million, one hundred nineteen thousand, one hundred fifteen".