7222057 has 4 divisors (see below), whose sum is σ = 7231120. Its totient is φ = 7212996.

The previous prime is 7222043. The next prime is 7222063. The reversal of 7222057 is 7502227.

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 a cyclic number.

It is not a de Polignac number, because 7222057 - 2¹⁵ = 7189289 is a prime.

It is a super-2 number, since 2×7222057² = 104316214622498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7222037) 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, 3207 + ... + 4972.

It is an arithmetic number, because the mean of its divisors is an integer number (1807780).

Almost surely, 2^7222057 is an apocalyptic number.

It is an amenable number.

7222057 is a deficient number, since it is larger than the sum of its proper divisors (9063).

7222057 is an equidigital number, since it uses as much as digits as its factorization.

7222057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9062.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 7222057 is about 2687.3885093153. The cubic root of 7222057 is about 193.2948592353.

The spelling of 7222057 in words is "seven million, two hundred twenty-two thousand, fifty-seven".