22422687 has 8 divisors (see below), whose sum is σ = 34167936. Its totient is φ = 12812952.

The previous prime is 22422683. The next prime is 22422721. The reversal of 22422687 is 78622422.

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

It is not a de Polignac number, because 22422687 - 2² = 22422683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22422683) 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 in 7 ways as a sum of consecutive naturals, for example, 533853 + ... + 533894.

It is an arithmetic number, because the mean of its divisors is an integer number (4270992).

Almost surely, 2^22422687 is an apocalyptic number.

22422687 is a deficient number, since it is larger than the sum of its proper divisors (11745249).

22422687 is a wasteful number, since it uses less digits than its factorization.

22422687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067757.

The product of its digits is 21504, while the sum is 33.

The square root of 22422687 is about 4735.2599717439. The cubic root of 22422687 is about 281.9870850682.

The spelling of 22422687 in words is "twenty-two million, four hundred twenty-two thousand, six hundred eighty-seven".