18228222435 has 8 divisors (see below), whose sum is σ = 29165155920. Its totient is φ = 9721718624.

The previous prime is 18228222403. The next prime is 18228222479. The reversal of 18228222435 is 53422282281.

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

It is a cyclic number.

It is not a de Polignac number, because 18228222435 - 2⁵ = 18228222403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18228222393 and 18228222402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607607400 + ... + 607607429.

It is an arithmetic number, because the mean of its divisors is an integer number (3645644490).

Almost surely, 2^18228222435 is an apocalyptic number.

18228222435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18228222435 is a deficient number, since it is larger than the sum of its proper divisors (10936933485).

18228222435 is a wasteful number, since it uses less digits than its factorization.

18228222435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215214837.

The product of its digits is 122880, while the sum is 39.

The spelling of 18228222435 in words is "eighteen billion, two hundred twenty-eight million, two hundred twenty-two thousand, four hundred thirty-five".