22115202151 has 8 divisors (see below), whose sum is σ = 25275473280. Its totient is φ = 18955170168.

The previous prime is 22115202143. The next prime is 22115202163. The reversal of 22115202151 is 15120251122.

It is a happy number.

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 22115202151 - 2³ = 22115202143 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 (22118202151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235860 + ... + 316006.

It is an arithmetic number, because the mean of its divisors is an integer number (3159434160).

Almost surely, 2^22115202151 is an apocalyptic number.

22115202151 is a deficient number, since it is larger than the sum of its proper divisors (3160271129).

22115202151 is an equidigital number, since it uses as much as digits as its factorization.

22115202151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119573.

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 22115202151 its reverse (15120251122), we get a palindrome (37235453273).

The spelling of 22115202151 in words is "twenty-two billion, one hundred fifteen million, two hundred two thousand, one hundred fifty-one".