1226622016 has 56 divisors (see below), whose sum is σ = 2547518400. Its totient is φ = 584888832.

The previous prime is 1226622011. The next prime is 1226622031. The reversal of 1226622016 is 6102266221.

It is not an unprimeable number, because it can be changed into a prime (1226622011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583335 + ... + 585433.

It is an arithmetic number, because the mean of its divisors is an integer number (45491400).

Almost surely, 2^1226622016 is an apocalyptic number.

1226622016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1226622016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1273759200).

1226622016 is an abundant number, since it is smaller than the sum of its proper divisors (1320896384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1226622016 is a wasteful number, since it uses less digits than its factorization.

1226622016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531 (or 2521 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1226622016 is about 35023.1639918497. The cubic root of 1226622016 is about 1070.4595271967.

Adding to 1226622016 its reverse (6102266221), we get a palindrome (7328888237).

The spelling of 1226622016 in words is "one billion, two hundred twenty-six million, six hundred twenty-two thousand, sixteen".