22244479 has 4 divisors (see below), whose sum is σ = 23011560. Its totient is φ = 21477400.

The previous prime is 22244477. The next prime is 22244491. The reversal of 22244479 is 97444222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22244479 - 2¹ = 22244477 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22244477) 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, 383497 + ... + 383554.

It is an arithmetic number, because the mean of its divisors is an integer number (5752890).

Almost surely, 2^22244479 is an apocalyptic number.

22244479 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

22244479 is a deficient number, since it is larger than the sum of its proper divisors (767081).

22244479 is an equidigital number, since it uses as much as digits as its factorization.

22244479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767080.

The product of its digits is 32256, while the sum is 34.

The square root of 22244479 is about 4716.4053048906. The cubic root of 22244479 is about 281.2380509162.

The spelling of 22244479 in words is "twenty-two million, two hundred forty-four thousand, four hundred seventy-nine".