224430428 has 6 divisors (see below), whose sum is σ = 392753256. Its totient is φ = 112215212.

The previous prime is 224430331. The next prime is 224430431. The reversal of 224430428 is 824034422.

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 224430428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28053800 + ... + 28053807.

It is an arithmetic number, because the mean of its divisors is an integer number (65458876).

Almost surely, 2^224430428 is an apocalyptic number.

It is an amenable number.

224430428 is a deficient number, since it is larger than the sum of its proper divisors (168322828).

224430428 is a wasteful number, since it uses less digits than its factorization.

224430428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56107611 (or 56107609 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

The square root of 224430428 is about 14981.0022361656. The cubic root of 224430428 is about 607.7065433729.

The spelling of 224430428 in words is "two hundred twenty-four million, four hundred thirty thousand, four hundred twenty-eight".