620115722 has 8 divisors (see below), whose sum is σ = 932934756. Its totient is φ = 309137472.

The previous prime is 620115701. The next prime is 620115737. The reversal of 620115722 is 227511026.

620115722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 609546721 + 10569001 = 24689^2 + 3251^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 620115691 and 620115700.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459353 + ... + 460700.

Almost surely, 2^620115722 is an apocalyptic number.

620115722 is a deficient number, since it is larger than the sum of its proper divisors (312819034).

620115722 is a wasteful number, since it uses less digits than its factorization.

620115722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920392.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 620115722 is about 24902.1228412358. The cubic root of 620115722 is about 852.7549468392.

Adding to 620115722 its reverse (227511026), we get a palindrome (847626748).

The spelling of 620115722 in words is "six hundred twenty million, one hundred fifteen thousand, seven hundred twenty-two".