224623722 has 16 divisors (see below), whose sum is σ = 452481120. Its totient is φ = 74335632.

The previous prime is 224623717. The next prime is 224623723. The reversal of 224623722 is 227326422.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 224623722.

It is not an unprimeable number, because it can be changed into a prime (224623723) 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, 133833 + ... + 135500.

It is an arithmetic number, because the mean of its divisors is an integer number (28280070).

Almost surely, 2^224623722 is an apocalyptic number.

224623722 is an abundant number, since it is smaller than the sum of its proper divisors (227857398).

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

224623722 is a wasteful number, since it uses less digits than its factorization.

224623722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269477.

The product of its digits is 16128, while the sum is 30.

The square root of 224623722 is about 14987.4521517168. The cubic root of 224623722 is about 607.8809587031.

The spelling of 224623722 in words is "two hundred twenty-four million, six hundred twenty-three thousand, seven hundred twenty-two".