224621047 has 6 divisors (see below), whose sum is σ = 261293928. Its totient is φ = 192532284.

The previous prime is 224621041. The next prime is 224621063. The reversal of 224621047 is 740126422.

It is a happy number.

It is not a de Polignac number, because 224621047 - 2³ = 224621039 is a prime.

It is a super-2 number, since 2×224621047² = 100909229510752418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224621041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2292003 + ... + 2292100.

It is an arithmetic number, because the mean of its divisors is an integer number (43548988).

Almost surely, 2^224621047 is an apocalyptic number.

224621047 is a deficient number, since it is larger than the sum of its proper divisors (36672881).

224621047 is an equidigital number, since it uses as much as digits as its factorization.

224621047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4584117 (or 4584110 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 224621047 is about 14987.3629101320. The cubic root of 224621047 is about 607.8785456484.

Adding to 224621047 its reverse (740126422), we get a palindrome (964747469).

The spelling of 224621047 in words is "two hundred twenty-four million, six hundred twenty-one thousand, forty-seven".