22891426 has 8 divisors (see below), whose sum is σ = 34358940. Its totient is φ = 11438448.

The previous prime is 22891387. The next prime is 22891433. The reversal of 22891426 is 62419822.

It can be written as a sum of positive squares in 2 ways, for example, as 19811401 + 3080025 = 4451^2 + 1755^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 22891391 and 22891400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2140 + ... + 7096.

Almost surely, 2^22891426 is an apocalyptic number.

22891426 is a deficient number, since it is larger than the sum of its proper divisors (11467514).

22891426 is a wasteful number, since it uses less digits than its factorization.

22891426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7268.

The product of its digits is 13824, while the sum is 34.

The square root of 22891426 is about 4784.4985108159. The cubic root of 22891426 is about 283.9384992134.

The spelling of 22891426 in words is "twenty-two million, eight hundred ninety-one thousand, four hundred twenty-six".