22215231494 has 8 divisors (see below), whose sum is σ = 34223464848. Its totient is φ = 10807409880.

The previous prime is 22215231481. The next prime is 22215231523. The reversal of 22215231494 is 49413251222.

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

It is a congruent number.

It is an unprimeable number.

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, 150102842 + ... + 150102989.

It is an arithmetic number, because the mean of its divisors is an integer number (4277933106).

Almost surely, 2^22215231494 is an apocalyptic number.

22215231494 is a deficient number, since it is larger than the sum of its proper divisors (12008233354).

22215231494 is a wasteful number, since it uses less digits than its factorization.

22215231494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300205870.

The product of its digits is 34560, while the sum is 35.

The spelling of 22215231494 in words is "twenty-two billion, two hundred fifteen million, two hundred thirty-one thousand, four hundred ninety-four".