22789969 has 4 divisors (see below), whose sum is σ = 23575860. Its totient is φ = 22004080.

The previous prime is 22789967. The next prime is 22789981. The reversal of 22789969 is 96998722.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15499969 + 7290000 = 3937^2 + 2700^2 .

It is a cyclic number.

It is not a de Polignac number, because 22789969 - 2¹ = 22789967 is a prime.

It is a super-2 number, since 2×22789969² = 1038765374041922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22789967) 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, 392902 + ... + 392959.

It is an arithmetic number, because the mean of its divisors is an integer number (5893965).

Almost surely, 2^22789969 is an apocalyptic number.

22789969 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

22789969 is a deficient number, since it is larger than the sum of its proper divisors (785891).

22789969 is an equidigital number, since it uses as much as digits as its factorization.

22789969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785890.

The product of its digits is 979776, while the sum is 52.

The square root of 22789969 is about 4773.8840580810. The cubic root of 22789969 is about 283.5183970510.

The spelling of 22789969 in words is "twenty-two million, seven hundred eighty-nine thousand, nine hundred sixty-nine".