7222377 has 4 divisors (see below), whose sum is σ = 9629840. Its totient is φ = 4814916.

The previous prime is 7222373. The next prime is 7222379. The reversal of 7222377 is 7732227.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7732227 = 3 ⋅2577409.

It is not a de Polignac number, because 7222377 - 2² = 7222373 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7222373) 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, 1203727 + ... + 1203732.

It is an arithmetic number, because the mean of its divisors is an integer number (2407460).

Almost surely, 2^7222377 is an apocalyptic number.

It is an amenable number.

7222377 is a deficient number, since it is larger than the sum of its proper divisors (2407463).

7222377 is a wasteful number, since it uses less digits than its factorization.

7222377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407462.

The product of its digits is 8232, while the sum is 30.

The square root of 7222377 is about 2687.4480460094. The cubic root of 7222377 is about 193.2977140748.

The spelling of 7222377 in words is "seven million, two hundred twenty-two thousand, three hundred seventy-seven".