1422031216 has 20 divisors (see below), whose sum is σ = 2801885400. Its totient is φ = 698964032.

The previous prime is 1422031187. The next prime is 1422031229. The reversal of 1422031216 is 6121302241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752251 + ... + 754138.

It is an arithmetic number, because the mean of its divisors is an integer number (140094270).

Almost surely, 2^1422031216 is an apocalyptic number.

1422031216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1422031216 is a deficient number, since it is larger than the sum of its proper divisors (1379854184).

1422031216 is a wasteful number, since it uses less digits than its factorization.

1422031216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506456 (or 1506450 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1422031216 is about 37709.8291695945. The cubic root of 1422031216 is about 1124.5265407879.

Adding to 1422031216 its reverse (6121302241), we get a palindrome (7543333457).

The spelling of 1422031216 in words is "one billion, four hundred twenty-two million, thirty-one thousand, two hundred sixteen".