22332406 has 4 divisors (see below), whose sum is σ = 33498612. Its totient is φ = 11166202.

The previous prime is 22332389. The next prime is 22332419. The reversal of 22332406 is 60423322.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5583100 + ... + 5583103.

It is an arithmetic number, because the mean of its divisors is an integer number (8374653).

Almost surely, 2^22332406 is an apocalyptic number.

22332406 is a deficient number, since it is larger than the sum of its proper divisors (11166206).

22332406 is a wasteful number, since it uses less digits than its factorization.

22332406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11166205.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 22332406 is about 4725.7175116589. The cubic root of 22332406 is about 281.6081188877.

Adding to 22332406 its reverse (60423322), we get a palindrome (82755728).

The spelling of 22332406 in words is "twenty-two million, three hundred thirty-two thousand, four hundred six".