649341222 has 16 divisors (see below), whose sum is σ = 1298986752. Its totient is φ = 216396360.

The previous prime is 649341191. The next prime is 649341247. The reversal of 649341222 is 222143946.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22623 + ... + 42549.

It is an arithmetic number, because the mean of its divisors is an integer number (81186672).

Almost surely, 2^649341222 is an apocalyptic number.

649341222 is an abundant number, since it is smaller than the sum of its proper divisors (649645530).

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

649341222 is a wasteful number, since it uses less digits than its factorization.

649341222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25363.

The product of its digits is 20736, while the sum is 33.

The square root of 649341222 is about 25482.1745932328. The cubic root of 649341222 is about 865.9463606422.

The spelling of 649341222 in words is "six hundred forty-nine million, three hundred forty-one thousand, two hundred twenty-two".