22849906 has 4 divisors (see below), whose sum is σ = 34274862. Its totient is φ = 11424952.

The previous prime is 22849891. The next prime is 22849909. The reversal of 22849906 is 60994822.

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

It can be written as a sum of positive squares in only one way, i.e., 21538881 + 1311025 = 4641^2 + 1145^2 .

It is not an unprimeable number, because it can be changed into a prime (22849909) by changing a digit.

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 as a sum of consecutive naturals, namely, 5712475 + ... + 5712478.

Almost surely, 2^22849906 is an apocalyptic number.

22849906 is a deficient number, since it is larger than the sum of its proper divisors (11424956).

22849906 is a wasteful number, since it uses less digits than its factorization.

22849906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11424955.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 22849906 is about 4780.1575287850. The cubic root of 22849906 is about 283.7667280402.

The spelling of 22849906 in words is "twenty-two million, eight hundred forty-nine thousand, nine hundred six".