22127249 has 8 divisors (see below), whose sum is σ = 22980552. Its totient is φ = 21288960.

The previous prime is 22127227. The next prime is 22127263. The reversal of 22127249 is 94272122.

It can be written as a sum of positive squares in 4 ways, for example, as 37249 + 22090000 = 193^2 + 4700^2 .

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 22127249 - 2¹⁶ = 22061713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22127299) 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, 704 + ... + 6689.

It is an arithmetic number, because the mean of its divisors is an integer number (2872569).

Almost surely, 2^22127249 is an apocalyptic number.

It is an amenable number.

22127249 is a deficient number, since it is larger than the sum of its proper divisors (853303).

22127249 is an equidigital number, since it uses as much as digits as its factorization.

22127249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7507.

The product of its digits is 4032, while the sum is 29.

The square root of 22127249 is about 4703.9609904845. The cubic root of 22127249 is about 280.7431322422.

The spelling of 22127249 in words is "twenty-two million, one hundred twenty-seven thousand, two hundred forty-nine".