22461379 has 4 divisors (see below), whose sum is σ = 22472640. Its totient is φ = 22450120.

The previous prime is 22461371. The next prime is 22461389. The reversal of 22461379 is 97316422.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22461379 - 2³ = 22461371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22461371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1744 + ... + 6925.

It is an arithmetic number, because the mean of its divisors is an integer number (5618160).

Almost surely, 2^22461379 is an apocalyptic number.

22461379 is a deficient number, since it is larger than the sum of its proper divisors (11261).

22461379 is an equidigital number, since it uses as much as digits as its factorization.

22461379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11260.

The product of its digits is 18144, while the sum is 34.

The square root of 22461379 is about 4739.3437309400. The cubic root of 22461379 is about 282.1491883671.

The spelling of 22461379 in words is "twenty-two million, four hundred sixty-one thousand, three hundred seventy-nine".