22154081730 has 32 divisors (see below), whose sum is σ = 58003414848. Its totient is φ = 5370686400.

The previous prime is 22154081699. The next prime is 22154081759. The reversal of 22154081730 is 3718045122.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 22154081691 and 22154081700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33566461 + ... + 33567120.

It is an arithmetic number, because the mean of its divisors is an integer number (1812606714).

Almost surely, 2^22154081730 is an apocalyptic number.

22154081730 is an abundant number, since it is smaller than the sum of its proper divisors (35849333118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22154081730 is a wasteful number, since it uses less digits than its factorization.

22154081730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67133602.

The product of its (nonzero) digits is 13440, while the sum is 33.

The spelling of 22154081730 in words is "twenty-two billion, one hundred fifty-four million, eighty-one thousand, seven hundred thirty".