7151572223 has 4 divisors (see below), whose sum is σ = 7572252960. Its totient is φ = 6730891488.

The previous prime is 7151572201. The next prime is 7151572237. The reversal of 7151572223 is 3222751517.

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 7151572223 - 2⁸ = 7151571967 is a prime.

It is a super-2 number, since 2×7151572223² (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 (7151572423) 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, 210340343 + ... + 210340376.

It is an arithmetic number, because the mean of its divisors is an integer number (1893063240).

Almost surely, 2^7151572223 is an apocalyptic number.

7151572223 is a deficient number, since it is larger than the sum of its proper divisors (420680737).

7151572223 is a wasteful number, since it uses less digits than its factorization.

7151572223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420680736.

The product of its digits is 29400, while the sum is 35.

The square root of 7151572223 is about 84566.9688649179. The cubic root of 7151572223 is about 1926.6397203753.

The spelling of 7151572223 in words is "seven billion, one hundred fifty-one million, five hundred seventy-two thousand, two hundred twenty-three".