7422147223 has 4 divisors (see below), whose sum is σ = 7422319528. Its totient is φ = 7421974920.

The previous prime is 7422147191. The next prime is 7422147253. The reversal of 7422147223 is 3227412247.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 7422147223 - 2⁵ = 7422147191 is a prime.

It is a super-2 number, since 2×7422147223² (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 (7422147253) 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, 42865 + ... + 129157.

It is an arithmetic number, because the mean of its divisors is an integer number (1855579882).

Almost surely, 2^7422147223 is an apocalyptic number.

7422147223 is a deficient number, since it is larger than the sum of its proper divisors (172305).

7422147223 is an equidigital number, since it uses as much as digits as its factorization.

7422147223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172304.

The product of its digits is 37632, while the sum is 34.

The square root of 7422147223 is about 86151.8846166467. The cubic root of 7422147223 is about 1950.6372865971.

The spelling of 7422147223 in words is "seven billion, four hundred twenty-two million, one hundred forty-seven thousand, two hundred twenty-three".