22426406 has 8 divisors (see below), whose sum is σ = 34191264. Its totient is φ = 11029320.

The previous prime is 22426381. The next prime is 22426409. The reversal of 22426406 is 60462422.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22426409) 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, 91790 + ... + 92033.

It is an arithmetic number, because the mean of its divisors is an integer number (4273908).

Almost surely, 2^22426406 is an apocalyptic number.

22426406 is a deficient number, since it is larger than the sum of its proper divisors (11764858).

22426406 is a wasteful number, since it uses less digits than its factorization.

22426406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183886.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 22426406 is about 4735.6526477351. The cubic root of 22426406 is about 282.0026742197.

Adding to 22426406 its reverse (60462422), we get a palindrome (82888828).

The spelling of 22426406 in words is "twenty-two million, four hundred twenty-six thousand, four hundred six".