22393219490 has 16 divisors (see below), whose sum is σ = 40333777848. Its totient is φ = 8951513856.

The previous prime is 22393219483. The next prime is 22393219523. The reversal of 22393219490 is 9491239322.

It can be written as a sum of positive squares in 4 ways, for example, as 12879753121 + 9513466369 = 113489^2 + 97537^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705437 + ... + 736496.

Almost surely, 2^22393219490 is an apocalyptic number.

22393219490 is a deficient number, since it is larger than the sum of its proper divisors (17940558358).

22393219490 is a wasteful number, since it uses less digits than its factorization.

22393219490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443493.

The product of its (nonzero) digits is 209952, while the sum is 44.

The spelling of 22393219490 in words is "twenty-two billion, three hundred ninety-three million, two hundred nineteen thousand, four hundred ninety".