1268222710 has 32 divisors (see below), whose sum is σ = 2362060800. Its totient is φ = 489754080.

The previous prime is 1268222707. The next prime is 1268222719. The reversal of 1268222710 is 172228621.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268222719) 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, 131431 + ... + 140749.

It is an arithmetic number, because the mean of its divisors is an integer number (73814400).

Almost surely, 2^1268222710 is an apocalyptic number.

1268222710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1268222710 is a deficient number, since it is larger than the sum of its proper divisors (1093838090).

1268222710 is a wasteful number, since it uses less digits than its factorization.

1268222710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9796.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 1268222710 is about 35612.1146521798. The cubic root of 1268222710 is about 1082.4267304760.

The spelling of 1268222710 in words is "one billion, two hundred sixty-eight million, two hundred twenty-two thousand, seven hundred ten".