22866742 has 4 divisors (see below), whose sum is σ = 34300116. Its totient is φ = 11433370.

The previous prime is 22866737. The next prime is 22866743. The reversal of 22866742 is 24766822.

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 (22866743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5716684 + ... + 5716687.

It is an arithmetic number, because the mean of its divisors is an integer number (8575029).

Almost surely, 2^22866742 is an apocalyptic number.

22866742 is a deficient number, since it is larger than the sum of its proper divisors (11433374).

22866742 is a wasteful number, since it uses less digits than its factorization.

22866742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11433373.

The product of its digits is 64512, while the sum is 37.

The square root of 22866742 is about 4781.9182343491. The cubic root of 22866742 is about 283.8364048220.

The spelling of 22866742 in words is "twenty-two million, eight hundred sixty-six thousand, seven hundred forty-two".