22001379 has 8 divisors (see below), whose sum is σ = 30050832. Its totient is φ = 14309760.

The previous prime is 22001359. The next prime is 22001381. The reversal of 22001379 is 97310022.

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

It is not a de Polignac number, because 22001379 - 2¹¹ = 21999331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22001339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89314 + ... + 89559.

It is an arithmetic number, because the mean of its divisors is an integer number (3756354).

Almost surely, 2^22001379 is an apocalyptic number.

22001379 is a deficient number, since it is larger than the sum of its proper divisors (8049453).

22001379 is a wasteful number, since it uses less digits than its factorization.

22001379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178917.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 22001379 is about 4690.5627594138. The cubic root of 22001379 is about 280.2097875072.

The spelling of 22001379 in words is "twenty-two million, one thousand, three hundred seventy-nine".