7222875 has 64 divisors (see below), whose sum is σ = 14017536. Its totient is φ = 3264000.

The previous prime is 7222849. The next prime is 7222903. The reversal of 7222875 is 5782227.

It is not a de Polignac number, because 7222875 - 2⁶ = 7222811 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

7222875 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 70074 + ... + 70176.

It is an arithmetic number, because the mean of its divisors is an integer number (219024).

Almost surely, 2^7222875 is an apocalyptic number.

7222875 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

7222875 is a deficient number, since it is larger than the sum of its proper divisors (6794661).

7222875 is a wasteful number, since it uses less digits than its factorization.

7222875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 139 counting only the distinct ones).

The product of its digits is 15680, while the sum is 33.

The square root of 7222875 is about 2687.5406973663. The cubic root of 7222875 is about 193.3021567511.

The spelling of 7222875 in words is "seven million, two hundred twenty-two thousand, eight hundred seventy-five".