7422444 has 18 divisors (see below), whose sum is σ = 18762380. Its totient is φ = 2474136.

The previous prime is 7422433. The next prime is 7422449. The reversal of 7422444 is 4442247.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (7422449) 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 5 ways as a sum of consecutive naturals, for example, 103054 + ... + 103125.

Almost surely, 2^7422444 is an apocalyptic number.

It is an amenable number.

7422444 is an abundant number, since it is smaller than the sum of its proper divisors (11339936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7422444 is a wasteful number, since it uses less digits than its factorization.

7422444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206189 (or 206184 counting only the distinct ones).

The product of its digits is 7168, while the sum is 27.

The square root of 7422444 is about 2724.4162677535. The cubic root of 7422444 is about 195.0663285209.

The spelling of 7422444 in words is "seven million, four hundred twenty-two thousand, four hundred forty-four".