22273886 has 8 divisors (see below), whose sum is σ = 34041384. Its totient is φ = 10926760.

The previous prime is 22273883. The next prime is 22273891. The reversal of 22273886 is 68837222.

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

It is a super-2 number, since 2×22273886² = 992251995081992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22273883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104960 + ... + 105171.

It is an arithmetic number, because the mean of its divisors is an integer number (4255173).

Almost surely, 2^22273886 is an apocalyptic number.

22273886 is a deficient number, since it is larger than the sum of its proper divisors (11767498).

22273886 is a wasteful number, since it uses less digits than its factorization.

22273886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210186.

The product of its digits is 64512, while the sum is 38.

The square root of 22273886 is about 4719.5217978096. The cubic root of 22273886 is about 281.3619277306.

The spelling of 22273886 in words is "twenty-two million, two hundred seventy-three thousand, eight hundred eighty-six".