22195145254 has 8 divisors (see below), whose sum is σ = 33315355008. Its totient is φ = 11090026920.

The previous prime is 22195145239. The next prime is 22195145261. The reversal of 22195145254 is 45254159122.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3769177 + ... + 3775060.

It is an arithmetic number, because the mean of its divisors is an integer number (4164419376).

Almost surely, 2^22195145254 is an apocalyptic number.

22195145254 is a deficient number, since it is larger than the sum of its proper divisors (11120209754).

22195145254 is a wasteful number, since it uses less digits than its factorization.

22195145254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7545710.

The product of its digits is 144000, while the sum is 40.

The spelling of 22195145254 in words is "twenty-two billion, one hundred ninety-five million, one hundred forty-five thousand, two hundred fifty-four".