606222440 has 16 divisors (see below), whose sum is σ = 1364000580. Its totient is φ = 242488960.

The previous prime is 606222439. The next prime is 606222473. The reversal of 606222440 is 44222606.

It can be written as a sum of positive squares in 2 ways, for example, as 540190564 + 66031876 = 23242^2 + 8126^2 .

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, 7577741 + ... + 7577820.

Almost surely, 2^606222440 is an apocalyptic number.

It is an amenable number.

606222440 is an abundant number, since it is smaller than the sum of its proper divisors (757778140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

606222440 is a wasteful number, since it uses less digits than its factorization.

606222440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15155572 (or 15155568 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 606222440 is about 24621.5848393234. The cubic root of 606222440 is about 846.3383155090.

The spelling of 606222440 in words is "six hundred six million, two hundred twenty-two thousand, four hundred forty".