22214529 has 12 divisors (see below), whose sum is σ = 33975396. Its totient is φ = 13938432.

The previous prime is 22214519. The next prime is 22214537. The reversal of 22214529 is 92541222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11716929 + 10497600 = 3423^2 + 3240^2 .

It is not a de Polignac number, because 22214529 - 2⁴ = 22214513 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22214509) 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 11 ways as a sum of consecutive naturals, for example, 72444 + ... + 72749.

It is an arithmetic number, because the mean of its divisors is an integer number (2831283).

Almost surely, 2^22214529 is an apocalyptic number.

It is an amenable number.

22214529 is a deficient number, since it is larger than the sum of its proper divisors (11760867).

22214529 is a wasteful number, since it uses less digits than its factorization.

22214529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145216 (or 145213 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 22214529 is about 4713.2291478348. The cubic root of 22214529 is about 281.1117744480. Note that the first 3 decimals are identical.

The spelling of 22214529 in words is "twenty-two million, two hundred fourteen thousand, five hundred twenty-nine".