7022745 has 12 divisors (see below), whose sum is σ = 12172836. Its totient is φ = 3745440.

The previous prime is 7022737. The next prime is 7022753. The reversal of 7022745 is 5472207.

It is an interprime number because it is at equal distance from previous prime (7022737) and next prime (7022753).

It can be written as a sum of positive squares in 2 ways, for example, as 5531904 + 1490841 = 2352^2 + 1221^2 .

It is not a de Polignac number, because 7022745 - 2³ = 7022737 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 77986 + ... + 78075.

It is an arithmetic number, because the mean of its divisors is an integer number (1014403).

Almost surely, 2^7022745 is an apocalyptic number.

It is an amenable number.

7022745 is a deficient number, since it is larger than the sum of its proper divisors (5150091).

7022745 is a wasteful number, since it uses less digits than its factorization.

7022745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156072 (or 156069 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 7022745 is about 2650.0462260119. The cubic root of 7022745 is about 191.5000829419.

The spelling of 7022745 in words is "seven million, twenty-two thousand, seven hundred forty-five".