224392637401 has 9 divisors (see below), whose sum is σ = 225271934901. Its totient is φ = 223516764252.

The previous prime is 224392637393. The next prime is 224392637429. The reversal of 224392637401 is 104736293422.

The square root of 224392637401 is 473701.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 224392637401 - 2³ = 224392637393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224392637461) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 145425436 + ... + 145426978.

It is an arithmetic number, because the mean of its divisors is an integer number (25030214989).

Almost surely, 2^224392637401 is an apocalyptic number.

224392637401 is the 473701-st square number.

224392637401 is the 236851-st centered octagonal number.

It is an amenable number.

224392637401 is a deficient number, since it is larger than the sum of its proper divisors (879297500).

224392637401 is an frugal number, since it uses more digits than its factorization.

224392637401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700 (or 1850 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 224392637401 in words is "two hundred twenty-four billion, three hundred ninety-two million, six hundred thirty-seven thousand, four hundred one".