22102449 has 4 divisors (see below), whose sum is σ = 29469936. Its totient is φ = 14734964.

The previous prime is 22102441. The next prime is 22102463. The reversal of 22102449 is 94420122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22102449 - 2³ = 22102441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22102441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3683739 + ... + 3683744.

It is an arithmetic number, because the mean of its divisors is an integer number (7367484).

Almost surely, 2^22102449 is an apocalyptic number.

It is an amenable number.

22102449 is a deficient number, since it is larger than the sum of its proper divisors (7367487).

22102449 is an equidigital number, since it uses as much as digits as its factorization.

22102449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7367486.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 22102449 is about 4701.3241751660. The cubic root of 22102449 is about 280.6382083323.

It can be divided in two parts, 2210244 and 9, that added together give a triangular number (2210253 = T₂₁₀₂).

The spelling of 22102449 in words is "twenty-two million, one hundred two thousand, four hundred forty-nine".