22198035554 has 8 divisors (see below), whose sum is σ = 33298959468. Its totient is φ = 11098382400.

The previous prime is 22198035547. The next prime is 22198035557. The reversal of 22198035554 is 45553089122.

It can be written as a sum of positive squares in 2 ways, for example, as 21329142025 + 868893529 = 146045^2 + 29477^2 .

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

It is not an unprimeable number, because it can be changed into a prime (22198035557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272747 + ... + 344654.

Almost surely, 2^22198035554 is an apocalyptic number.

22198035554 is a deficient number, since it is larger than the sum of its proper divisors (11100923914).

22198035554 is a wasteful number, since it uses less digits than its factorization.

22198035554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635380.

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 22198035554 in words is "twenty-two billion, one hundred ninety-eight million, thirty-five thousand, five hundred fifty-four".