7022426 has 4 divisors (see below), whose sum is σ = 10533642. Its totient is φ = 3511212.

The previous prime is 7022417. The next prime is 7022441. The reversal of 7022426 is 6242207.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4414201 + 2608225 = 2101^2 + 1615^2 .

It is a Curzon number.

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 as a sum of consecutive naturals, namely, 1755605 + ... + 1755608.

Almost surely, 2^7022426 is an apocalyptic number.

7022426 is a deficient number, since it is larger than the sum of its proper divisors (3511216).

7022426 is a wasteful number, since it uses less digits than its factorization.

7022426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3511215.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 7022426 is about 2649.9860376991. The cubic root of 7022426 is about 191.4971833420.

The spelling of 7022426 in words is "seven million, twenty-two thousand, four hundred twenty-six".