22299406 has 4 divisors (see below), whose sum is σ = 33449112. Its totient is φ = 11149702.

The previous prime is 22299401. The next prime is 22299421. The reversal of 22299406 is 60499222.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22299401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5574850 + ... + 5574853.

It is an arithmetic number, because the mean of its divisors is an integer number (8362278).

Almost surely, 2^22299406 is an apocalyptic number.

22299406 is a deficient number, since it is larger than the sum of its proper divisors (11149706).

22299406 is a wasteful number, since it uses less digits than its factorization.

22299406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11149705.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 22299406 is about 4722.2246875811. The cubic root of 22299406 is about 281.4693422439.

The spelling of 22299406 in words is "twenty-two million, two hundred ninety-nine thousand, four hundred six".