7223090 has 24 divisors (see below), whose sum is σ = 15125292. Its totient is φ = 2476320.

The previous prime is 7223087. The next prime is 7223119. The reversal of 7223090 is 903227.

It can be written as a sum of positive squares in 2 ways, for example, as 6817321 + 405769 = 2611^2 + 637^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6881 + ... + 7860.

Almost surely, 2^7223090 is an apocalyptic number.

7223090 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7223090 is an abundant number, since it is smaller than the sum of its proper divisors (7902202).

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

7223090 is a wasteful number, since it uses less digits than its factorization.

7223090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14762 (or 14755 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 7223090 is about 2687.5806964629. The cubic root of 7223090 is about 193.3040747109.

The spelling of 7223090 in words is "seven million, two hundred twenty-three thousand, ninety".