7223250247 has 4 divisors (see below), whose sum is σ = 7239704560. Its totient is φ = 7206795936.

The previous prime is 7223250239. The next prime is 7223250269. The reversal of 7223250247 is 7420523227.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7223250247 - 2³ = 7223250239 is a prime.

It is a super-2 number, since 2×7223250247² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7223250347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8226498 + ... + 8227375.

It is an arithmetic number, because the mean of its divisors is an integer number (1809926140).

Almost surely, 2^7223250247 is an apocalyptic number.

7223250247 is a deficient number, since it is larger than the sum of its proper divisors (16454313).

7223250247 is a wasteful number, since it uses less digits than its factorization.

7223250247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16454312.

The product of its (nonzero) digits is 47040, while the sum is 34.

The square root of 7223250247 is about 84989.7067120484. The cubic root of 7223250247 is about 1933.0550420846.

The spelling of 7223250247 in words is "seven billion, two hundred twenty-three million, two hundred fifty thousand, two hundred forty-seven".