7420820822 has 4 divisors (see below), whose sum is σ = 11131231236. Its totient is φ = 3710410410.

The previous prime is 7420820819. The next prime is 7420820863. The reversal of 7420820822 is 2280280247.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1855205204 + ... + 1855205207.

It is an arithmetic number, because the mean of its divisors is an integer number (2782807809).

Almost surely, 2^7420820822 is an apocalyptic number.

7420820822 is a deficient number, since it is larger than the sum of its proper divisors (3710410414).

7420820822 is a wasteful number, since it uses less digits than its factorization.

7420820822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3710410413.

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 7420820822 is about 86144.1862344755. The cubic root of 7420820822 is about 1950.5210811689.

The spelling of 7420820822 in words is "seven billion, four hundred twenty million, eight hundred twenty thousand, eight hundred twenty-two".