1294222016 has 14 divisors (see below), whose sum is σ = 2568221940. Its totient is φ = 647110976.

The previous prime is 1294221997. The next prime is 1294222021. The reversal of 1294222016 is 6102224921.

It is a self number, because there is not a number n which added to its sum of digits gives 1294222016.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111046 + ... + 10111173.

Almost surely, 2^1294222016 is an apocalyptic number.

1294222016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1294222016 is a deficient number, since it is larger than the sum of its proper divisors (1273999924).

1294222016 is an equidigital number, since it uses as much as digits as its factorization.

1294222016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20222231 (or 20222221 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1294222016 is about 35975.2973024546. The cubic root of 1294222016 is about 1089.7735455267.

Adding to 1294222016 its reverse (6102224921), we get a palindrome (7396446937).

The spelling of 1294222016 in words is "one billion, two hundred ninety-four million, two hundred twenty-two thousand, sixteen".