22699449 has 24 divisors (see below), whose sum is σ = 33875712. Its totient is φ = 14639040.

The previous prime is 22699429. The next prime is 22699451. The reversal of 22699449 is 94499622.

It is a happy number.

It is not a de Polignac number, because 22699449 - 2¹³ = 22691257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22699429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43309 + ... + 43829.

It is an arithmetic number, because the mean of its divisors is an integer number (1411488).

Almost surely, 2^22699449 is an apocalyptic number.

It is an amenable number.

22699449 is a deficient number, since it is larger than the sum of its proper divisors (11176263).

22699449 is a wasteful number, since it uses less digits than its factorization.

22699449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677 (or 674 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 22699449 is about 4764.3938754053. The cubic root of 22699449 is about 283.1425278975.

The spelling of 22699449 in words is "twenty-two million, six hundred ninety-nine thousand, four hundred forty-nine".