22245378 has 32 divisors (see below), whose sum is σ = 46353600. Its totient is φ = 7108416.

The previous prime is 22245361. The next prime is 22245397. The reversal of 22245378 is 87354222.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29733 + ... + 30471.

It is an arithmetic number, because the mean of its divisors is an integer number (1448550).

Almost surely, 2^22245378 is an apocalyptic number.

22245378 is an abundant number, since it is smaller than the sum of its proper divisors (24108222).

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

22245378 is a wasteful number, since it uses less digits than its factorization.

22245378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946.

The product of its digits is 26880, while the sum is 33.

The square root of 22245378 is about 4716.5006095621. The cubic root of 22245378 is about 281.2418395657.

The spelling of 22245378 in words is "twenty-two million, two hundred forty-five thousand, three hundred seventy-eight".