22367224 has 64 divisors (see below), whose sum is σ = 49040640. Its totient is φ = 9461760.

The previous prime is 22367221. The next prime is 22367231. The reversal of 22367224 is 42276322.

Its product of digits (8064) is a multiple of the sum of its prime divisors (336).

It is a junction number, because it is equal to n+sod(n) for n = 22367192 and 22367201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22367221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86904 + ... + 87160.

It is an arithmetic number, because the mean of its divisors is an integer number (766260).

Almost surely, 2^22367224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22367224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24520320).

22367224 is an abundant number, since it is smaller than the sum of its proper divisors (26673416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22367224 is a wasteful number, since it uses less digits than its factorization.

22367224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 336 counting only the distinct ones).

The product of its digits is 8064, while the sum is 28.

The square root of 22367224 is about 4729.3999619402. The cubic root of 22367224 is about 281.7543927268.

The spelling of 22367224 in words is "twenty-two million, three hundred sixty-seven thousand, two hundred twenty-four".