22044407 has 16 divisors (see below), whose sum is σ = 27900672. Its totient is φ = 16917120.

The previous prime is 22044403. The next prime is 22044409. The reversal of 22044407 is 70444022.

It is not a de Polignac number, because 22044407 - 2² = 22044403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22044403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3023 + ... + 7295.

It is an arithmetic number, because the mean of its divisors is an integer number (1743792).

Almost surely, 2^22044407 is an apocalyptic number.

22044407 is a deficient number, since it is larger than the sum of its proper divisors (5856265).

22044407 is a wasteful number, since it uses less digits than its factorization.

22044407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4358.

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 22044407 is about 4695.1471755420. The cubic root of 22044407 is about 280.3923369043.

Adding to 22044407 its reverse (70444022), we get a palindrome (92488429).

It can be divided in two parts, 2204 and 4407, that multiplied together give a triangular number (9713028 = T₄₄₀₇).

The spelling of 22044407 in words is "twenty-two million, forty-four thousand, four hundred seven".