22145798 has 8 divisors (see below), whose sum is σ = 35172792. Its totient is φ = 10421536.

The previous prime is 22145777. The next prime is 22145807. The reversal of 22145798 is 89754122.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325640 + ... + 325707.

It is an arithmetic number, because the mean of its divisors is an integer number (4396599).

Almost surely, 2^22145798 is an apocalyptic number.

22145798 is a deficient number, since it is larger than the sum of its proper divisors (13026994).

22145798 is a wasteful number, since it uses less digits than its factorization.

22145798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651366.

The product of its digits is 40320, while the sum is 38.

The square root of 22145798 is about 4705.9322137064. The cubic root of 22145798 is about 280.8215581671.

The spelling of 22145798 in words is "twenty-two million, one hundred forty-five thousand, seven hundred ninety-eight".