224940402 has 80 divisors (see below), whose sum is σ = 531919872. Its totient is φ = 70943040.

The previous prime is 224940389. The next prime is 224940407. The reversal of 224940402 is 204049422.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (224940407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 235558 + ... + 236510.

Almost surely, 2^224940402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224940402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265959936).

224940402 is an abundant number, since it is smaller than the sum of its proper divisors (306979470).

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

224940402 is a wasteful number, since it uses less digits than its factorization.

224940402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045 (or 1036 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 224940402 is about 14998.0132684299. The cubic root of 224940402 is about 608.1664930263.

Adding to 224940402 its reverse (204049422), we get a palindrome (428989824).

The spelling of 224940402 in words is "two hundred twenty-four million, nine hundred forty thousand, four hundred two".