22349247 has 4 divisors (see below), whose sum is σ = 29799000. Its totient is φ = 14899496.

The previous prime is 22349231. The next prime is 22349269. The reversal of 22349247 is 74294322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22349247 - 2⁴ = 22349231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22349297) 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, 3724872 + ... + 3724877.

It is an arithmetic number, because the mean of its divisors is an integer number (7449750).

Almost surely, 2^22349247 is an apocalyptic number.

22349247 is a deficient number, since it is larger than the sum of its proper divisors (7449753).

22349247 is an equidigital number, since it uses as much as digits as its factorization.

22349247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7449752.

The product of its digits is 24192, while the sum is 33.

The square root of 22349247 is about 4727.4990216815. The cubic root of 22349247 is about 281.6788885531.

The spelling of 22349247 in words is "twenty-two million, three hundred forty-nine thousand, two hundred forty-seven".