22212154140115 has 16 divisors (see below), whose sum is σ = 27068905055808. Its totient is φ = 17495408295936.

The previous prime is 22212154140097. The next prime is 22212154140167. The reversal of 22212154140115 is 51104145121222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22212154140115 - 2²³ = 22212145751507 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118554727 + ... + 118741936.

It is an arithmetic number, because the mean of its divisors is an integer number (1691806565988).

Almost surely, 2^{22212154140115} is an apocalyptic number.

22212154140115 is a deficient number, since it is larger than the sum of its proper divisors (4856750915693).

22212154140115 is a wasteful number, since it uses less digits than its factorization.

22212154140115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237296958.

The product of its (nonzero) digits is 6400, while the sum is 31.

Adding to 22212154140115 its reverse (51104145121222), we get a palindrome (73316299261337).

The spelling of 22212154140115 in words is "twenty-two trillion, two hundred twelve billion, one hundred fifty-four million, one hundred forty thousand, one hundred fifteen".