22990069 has 8 divisors (see below), whose sum is σ = 25182360. Its totient is φ = 20891136.

The previous prime is 22990063. The next prime is 22990073. The reversal of 22990069 is 96009922.

It can be written as a sum of positive squares in 4 ways, for example, as 3849444 + 19140625 = 1962^2 + 4375^2 .

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

It is not a de Polignac number, because 22990069 - 2⁹ = 22989557 is a prime.

It is a super-2 number, since 2×22990069² = 1057086545249522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22990063) 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, 22824 + ... + 23809.

It is an arithmetic number, because the mean of its divisors is an integer number (3147795).

Almost surely, 2^22990069 is an apocalyptic number.

22990069 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

22990069 is a deficient number, since it is larger than the sum of its proper divisors (2192291).

22990069 is a wasteful number, since it uses less digits than its factorization.

22990069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46679.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 22990069 is about 4794.7960332010. The cubic root of 22990069 is about 284.3457610159.

The spelling of 22990069 in words is "twenty-two million, nine hundred ninety thousand, sixty-nine".