22775379 has 8 divisors (see below), whose sum is σ = 33127872. Its totient is φ = 13803240.

The previous prime is 22775369. The next prime is 22775381. The reversal of 22775379 is 97357722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22775379 - 2¹² = 22771283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22775379.

It is not an unprimeable number, because it can be changed into a prime (22775329) 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 7 ways as a sum of consecutive naturals, for example, 345049 + ... + 345114.

It is an arithmetic number, because the mean of its divisors is an integer number (4140984).

Almost surely, 2^22775379 is an apocalyptic number.

22775379 is a deficient number, since it is larger than the sum of its proper divisors (10352493).

22775379 is a wasteful number, since it uses less digits than its factorization.

22775379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690177.

The product of its digits is 185220, while the sum is 42.

The square root of 22775379 is about 4772.3557076144. The cubic root of 22775379 is about 283.4578818823.

The spelling of 22775379 in words is "twenty-two million, seven hundred seventy-five thousand, three hundred seventy-nine".