22246887 has 16 divisors (see below), whose sum is σ = 32725728. Its totient is φ = 13355520.

The previous prime is 22246877. The next prime is 22246901. The reversal of 22246887 is 78864222.

It is a de Polignac number, because none of the positive numbers 2^k-22246887 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22246817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5358 + ... + 8555.

It is an arithmetic number, because the mean of its divisors is an integer number (2045358).

Almost surely, 2^22246887 is an apocalyptic number.

22246887 is a deficient number, since it is larger than the sum of its proper divisors (10478841).

22246887 is a wasteful number, since it uses less digits than its factorization.

22246887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13970.

The product of its digits is 86016, while the sum is 39.

The square root of 22246887 is about 4716.6605771457. The cubic root of 22246887 is about 281.2481987045.

The spelling of 22246887 in words is "twenty-two million, two hundred forty-six thousand, eight hundred eighty-seven".