7148822 has 4 divisors (see below), whose sum is σ = 10723236. Its totient is φ = 3574410.

The previous prime is 7148821. The next prime is 7148839. The reversal of 7148822 is 2288417.

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

It is a super-2 number, since 2×7148822² = 102211311975368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7148821) 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 as a sum of consecutive naturals, namely, 1787204 + ... + 1787207.

It is an arithmetic number, because the mean of its divisors is an integer number (2680809).

Almost surely, 2^7148822 is an apocalyptic number.

7148822 is a deficient number, since it is larger than the sum of its proper divisors (3574414).

7148822 is a wasteful number, since it uses less digits than its factorization.

7148822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3574413.

The product of its digits is 7168, while the sum is 32.

The square root of 7148822 is about 2673.7281088398. The cubic root of 7148822 is about 192.6392717895.

The spelling of 7148822 in words is "seven million, one hundred forty-eight thousand, eight hundred twenty-two".