22994809 has 8 divisors (see below), whose sum is σ = 24105312. Its totient is φ = 21910560.

The previous prime is 22994791. The next prime is 22994813. The reversal of 22994809 is 90849922.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22994809 - 2⁹ = 22994297 is a prime.

It is a super-2 number, since 2×22994809² = 1057522481892962, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22994819) 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, 4759 + ... + 8284.

It is an arithmetic number, because the mean of its divisors is an integer number (3013164).

Almost surely, 2^22994809 is an apocalyptic number.

It is an amenable number.

22994809 is a deficient number, since it is larger than the sum of its proper divisors (1110503).

22994809 is a wasteful number, since it uses less digits than its factorization.

22994809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13127.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 22994809 is about 4795.2902936110. The cubic root of 22994809 is about 284.3653014283.

The spelling of 22994809 in words is "twenty-two million, nine hundred ninety-four thousand, eight hundred nine".