11224639 has 2 divisors, whose sum is σ = 11224640. Its totient is φ = 11224638.

The previous prime is 11224637. The next prime is 11224651. The reversal of 11224639 is 93642211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11224639 - 2¹ = 11224637 is a prime.

Together with 11224637, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11224637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5612319 + 5612320.

It is an arithmetic number, because the mean of its divisors is an integer number (5612320).

Almost surely, 2^11224639 is an apocalyptic number.

11224639 is a deficient number, since it is larger than the sum of its proper divisors (1).

11224639 is an equidigital number, since it uses as much as digits as its factorization.

11224639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 28.

The square root of 11224639 is about 3350.3192385204. The cubic root of 11224639 is about 223.9017359710.

The spelling of 11224639 in words is "eleven million, two hundred twenty-four thousand, six hundred thirty-nine".