7222022 has 16 divisors (see below), whose sum is σ = 11235840.
Its totient is φ = 3479112.
The previous prime is 7222021. The next prime is 7222031. The reversal of 7222022 is 2202227.
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7222021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6263 + ... + 7325.
It is an arithmetic number, because the mean of its divisors is an integer number (702240).
Almost surely, 27222022 is an apocalyptic number.
7222022 is a deficient number, since it is larger than the sum of its proper divisors (4013818).
7222022 is a wasteful number, since it uses less digits than its factorization.
7222022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1187.
The product of its (nonzero) digits is 224, while the sum is 17.
The square root of 7222022 is about 2687.3819974094.
The cubic root of 7222022 is about 193.2945469821.
Adding to 7222022 its reverse (2202227), we get a palindrome (9424249).
It can be divided in two parts, 722 and 2022, that added together give a cube (2744 = 143).
The spelling of 7222022 in words is "seven million, two hundred twenty-two thousand, twenty-two".