1264660222 has 32 divisors (see below), whose sum is σ = 2235290112. Its totient is φ = 525286944.

The previous prime is 1264660207. The next prime is 1264660223. The reversal of 1264660222 is 2220664621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264660223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131593 + ... + 140875.

It is an arithmetic number, because the mean of its divisors is an integer number (69852816).

Almost surely, 2^1264660222 is an apocalyptic number.

1264660222 is a deficient number, since it is larger than the sum of its proper divisors (970629890).

1264660222 is a wasteful number, since it uses less digits than its factorization.

1264660222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9592.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 1264660222 is about 35562.0615544150. The cubic root of 1264660222 is about 1081.4122534105.

The spelling of 1264660222 in words is "one billion, two hundred sixty-four million, six hundred sixty thousand, two hundred twenty-two".