649150222 has 16 divisors (see below), whose sum is σ = 1113552000. Its totient is φ = 278026488.

The previous prime is 649150217. The next prime is 649150259. The reversal of 649150222 is 222051946.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8529 + ... + 37027.

It is an arithmetic number, because the mean of its divisors is an integer number (69597000).

Almost surely, 2^649150222 is an apocalyptic number.

649150222 is a deficient number, since it is larger than the sum of its proper divisors (464401778).

649150222 is a wasteful number, since it uses less digits than its factorization.

649150222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30135.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 649150222 is about 25478.4265997726. The cubic root of 649150222 is about 865.8614479293.

The spelling of 649150222 in words is "six hundred forty-nine million, one hundred fifty thousand, two hundred twenty-two".