22290827 has 8 divisors (see below), whose sum is σ = 24227280. Its totient is φ = 20386080.

The previous prime is 22290817. The next prime is 22290869. The reversal of 22290827 is 72809222.

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

It is not a de Polignac number, because 22290827 - 2⁴ = 22290811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22290793 and 22290802.

It is not an unprimeable number, because it can be changed into a prime (22290817) 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, 6449 + ... + 9282.

It is an arithmetic number, because the mean of its divisors is an integer number (3028410).

Almost surely, 2^22290827 is an apocalyptic number.

22290827 is a deficient number, since it is larger than the sum of its proper divisors (1936453).

22290827 is a wasteful number, since it uses less digits than its factorization.

22290827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15853.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 22290827 is about 4721.3162359664. The cubic root of 22290827 is about 281.4332421012.

The spelling of 22290827 in words is "twenty-two million, two hundred ninety thousand, eight hundred twenty-seven".