7621227 has 12 divisors (see below), whose sum is σ = 11037000. Its totient is φ = 5067648.

The previous prime is 7621217. The next prime is 7621249. The reversal of 7621227 is 7221267.

It is not a de Polignac number, because 7621227 - 2⁷ = 7621099 is a prime.

7621227 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7621227.

It is not an unprimeable number, because it can be changed into a prime (7621217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3643 + ... + 5339.

It is an arithmetic number, because the mean of its divisors is an integer number (919750).

Almost surely, 2^7621227 is an apocalyptic number.

7621227 is a deficient number, since it is larger than the sum of its proper divisors (3415773).

7621227 is a wasteful number, since it uses less digits than its factorization.

7621227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202 (or 2199 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 7621227 is about 2760.6569870232. The cubic root of 7621227 is about 196.7923895282.

It can be divided in two parts, 762122 and 7, that added together give a square (762129 = 873²).

The spelling of 7621227 in words is "seven million, six hundred twenty-one thousand, two hundred twenty-seven".