22944621 has 8 divisors (see below), whose sum is σ = 34963264. Its totient is φ = 13111200.

The previous prime is 22944617. The next prime is 22944629. The reversal of 22944621 is 12644922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22944621 - 2² = 22944617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22944629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546280 + ... + 546321.

It is an arithmetic number, because the mean of its divisors is an integer number (4370408).

Almost surely, 2^22944621 is an apocalyptic number.

22944621 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22944621 is a deficient number, since it is larger than the sum of its proper divisors (12018643).

22944621 is a wasteful number, since it uses less digits than its factorization.

22944621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092611.

The product of its digits is 6912, while the sum is 30.

The square root of 22944621 is about 4790.0543838249. The cubic root of 22944621 is about 284.1582674347.

It can be divided in two parts, 229 and 44621, that added together give a triangular number (44850 = T₂₉₉).

The spelling of 22944621 in words is "twenty-two million, nine hundred forty-four thousand, six hundred twenty-one".