7229122 has 4 divisors (see below), whose sum is σ = 10843686. Its totient is φ = 3614560.

The previous prime is 7229077. The next prime is 7229129. The reversal of 7229122 is 2219227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2219227 = 631 ⋅3517.

It can be written as a sum of positive squares in only one way, i.e., 6145441 + 1083681 = 2479^2 + 1041^2 .

It is a super-3 number, since 3×7229122³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (7229129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1807279 + ... + 1807282.

Almost surely, 2^7229122 is an apocalyptic number.

7229122 is a deficient number, since it is larger than the sum of its proper divisors (3614564).

7229122 is a wasteful number, since it uses less digits than its factorization.

7229122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3614563.

The product of its digits is 1008, while the sum is 25.

The square root of 7229122 is about 2688.7026611360. The cubic root of 7229122 is about 193.3578691281.

The spelling of 7229122 in words is "seven million, two hundred twenty-nine thousand, one hundred twenty-two".