22793378 has 4 divisors (see below), whose sum is σ = 34190070. Its totient is φ = 11396688.

The previous prime is 22793371. The next prime is 22793383. The reversal of 22793378 is 87339722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87339722 = 2 ⋅43669861.

It can be written as a sum of positive squares in only one way, i.e., 22024249 + 769129 = 4693^2 + 877^2 .

It is not an unprimeable number, because it can be changed into a prime (22793371) 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 as a sum of consecutive naturals, namely, 5698343 + ... + 5698346.

Almost surely, 2^22793378 is an apocalyptic number.

22793378 is a deficient number, since it is larger than the sum of its proper divisors (11396692).

22793378 is a wasteful number, since it uses less digits than its factorization.

22793378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11396691.

The product of its digits is 127008, while the sum is 41.

The square root of 22793378 is about 4774.2410915244. The cubic root of 22793378 is about 283.5325328904.

The spelling of 22793378 in words is "twenty-two million, seven hundred ninety-three thousand, three hundred seventy-eight".