22894211 has 4 divisors (see below), whose sum is σ = 23040192. Its totient is φ = 22748232.

The previous prime is 22894181. The next prime is 22894229. The reversal of 22894211 is 11249822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11249822 = 2 ⋅5624911.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22894211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22894241) 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 3 ways as a sum of consecutive naturals, for example, 72755 + ... + 73068.

It is an arithmetic number, because the mean of its divisors is an integer number (5760048).

Almost surely, 2^22894211 is an apocalyptic number.

22894211 is a deficient number, since it is larger than the sum of its proper divisors (145981).

22894211 is a wasteful number, since it uses less digits than its factorization.

22894211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145980.

The product of its digits is 2304, while the sum is 29.

The square root of 22894211 is about 4784.7895460511. The cubic root of 22894211 is about 283.9500135195.

The spelling of 22894211 in words is "twenty-two million, eight hundred ninety-four thousand, two hundred eleven".