22321379 has 2 divisors, whose sum is σ = 22321380. Its totient is φ = 22321378.

The previous prime is 22321363. The next prime is 22321399. The reversal of 22321379 is 97312322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22321379 - 2⁴ = 22321363 is a prime.

It is a super-3 number, since 3×22321379³ (a number of 23 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22321319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11160689 + 11160690.

It is an arithmetic number, because the mean of its divisors is an integer number (11160690).

Almost surely, 2^22321379 is an apocalyptic number.

22321379 is a deficient number, since it is larger than the sum of its proper divisors (1).

22321379 is an equidigital number, since it uses as much as digits as its factorization.

22321379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 29.

The square root of 22321379 is about 4724.5506664655. The cubic root of 22321379 is about 281.5617616798.

The spelling of 22321379 in words is "twenty-two million, three hundred twenty-one thousand, three hundred seventy-nine".