22501620415 has 8 divisors (see below), whose sum is σ = 27021505248. Its totient is φ = 17988255840.

The previous prime is 22501620391. The next prime is 22501620431. The reversal of 22501620415 is 51402610522.

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

It is a de Polignac number, because none of the positive numbers 2^k-22501620415 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1622467 + ... + 1636276.

It is an arithmetic number, because the mean of its divisors is an integer number (3377688156).

Almost surely, 2^22501620415 is an apocalyptic number.

22501620415 is a deficient number, since it is larger than the sum of its proper divisors (4519884833).

22501620415 is a wasteful number, since it uses less digits than its factorization.

22501620415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3260129.

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 22501620415 in words is "twenty-two billion, five hundred one million, six hundred twenty thousand, four hundred fifteen".