22228707 has 8 divisors (see below), whose sum is σ = 31381776. Its totient is φ = 13947392.

The previous prime is 22228693. The next prime is 22228709. The reversal of 22228707 is 70782222.

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

It is a cyclic number.

It is not a de Polignac number, because 22228707 - 2⁴ = 22228691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22228709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217878 + ... + 217979.

It is an arithmetic number, because the mean of its divisors is an integer number (3922722).

Almost surely, 2^22228707 is an apocalyptic number.

22228707 is a deficient number, since it is larger than the sum of its proper divisors (9153069).

22228707 is a wasteful number, since it uses less digits than its factorization.

22228707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435877.

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 22228707 is about 4714.7329722902. The cubic root of 22228707 is about 281.1715664746.

The spelling of 22228707 in words is "twenty-two million, two hundred twenty-eight thousand, seven hundred seven".