22242786 has 16 divisors (see below), whose sum is σ = 44535744. Its totient is φ = 7405904.

The previous prime is 22242761. The next prime is 22242793. The reversal of 22242786 is 68724222.

It is an unprimeable number.

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, 6211 + ... + 9113.

It is an arithmetic number, because the mean of its divisors is an integer number (2783484).

Almost surely, 2^22242786 is an apocalyptic number.

22242786 is an abundant number, since it is smaller than the sum of its proper divisors (22292958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22242786 is a wasteful number, since it uses less digits than its factorization.

22242786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4185.

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

The square root of 22242786 is about 4716.2258215654. The cubic root of 22242786 is about 281.2309158409.

The spelling of 22242786 in words is "twenty-two million, two hundred forty-two thousand, seven hundred eighty-six".