22048378 has 24 divisors (see below), whose sum is σ = 37537920. Its totient is φ = 9695400.

The previous prime is 22048373. The next prime is 22048387. The reversal of 22048378 is 87384022.

It is a super-2 number, since 2×22048378² = 972261944861768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22048373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6033 + ... + 8971.

It is an arithmetic number, because the mean of its divisors is an integer number (1564080).

Almost surely, 2^22048378 is an apocalyptic number.

22048378 is a deficient number, since it is larger than the sum of its proper divisors (15489542).

22048378 is a wasteful number, since it uses less digits than its factorization.

22048378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2994 (or 2983 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 22048378 is about 4695.5700399419. The cubic root of 22048378 is about 280.4091721816.

The spelling of 22048378 in words is "twenty-two million, forty-eight thousand, three hundred seventy-eight".