22420379 has 2 divisors, whose sum is σ = 22420380. Its totient is φ = 22420378.

The previous prime is 22420369. The next prime is 22420403. The reversal of 22420379 is 97302422.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22420379 - 2²⁴ = 5643163 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22420339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11210189 + 11210190.

It is an arithmetic number, because the mean of its divisors is an integer number (11210190).

Almost surely, 2^22420379 is an apocalyptic number.

22420379 is a deficient number, since it is larger than the sum of its proper divisors (1).

22420379 is an equidigital number, since it uses as much as digits as its factorization.

22420379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 22420379 is about 4735.0162618517. The cubic root of 22420379 is about 281.9774096217.

The spelling of 22420379 in words is "twenty-two million, four hundred twenty thousand, three hundred seventy-nine".