7225158953 has 4 divisors (see below), whose sum is σ = 7230153600. Its totient is φ = 7220164308.

The previous prime is 7225158947. The next prime is 7225158959. The reversal of 7225158953 is 3598515227.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (7225158947) and next prime (7225158959).

It is a cyclic number.

It is not a de Polignac number, because 7225158953 - 2¹⁶ = 7225093417 is a prime.

It is a super-2 number, since 2×7225158953² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7225158898 and 7225158907.

It is not an unprimeable number, because it can be changed into a prime (7225158959) 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, 2495153 + ... + 2498046.

It is an arithmetic number, because the mean of its divisors is an integer number (1807538400).

Almost surely, 2^7225158953 is an apocalyptic number.

It is an amenable number.

7225158953 is a deficient number, since it is larger than the sum of its proper divisors (4994647).

7225158953 is a wasteful number, since it uses less digits than its factorization.

7225158953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4994646.

The product of its digits is 756000, while the sum is 47.

The square root of 7225158953 is about 85000.9350125044. The cubic root of 7225158953 is about 1933.2252936422.

The spelling of 7225158953 in words is "seven billion, two hundred twenty-five million, one hundred fifty-eight thousand, nine hundred fifty-three".