1226901384 has 192 divisors, whose sum is σ = 3638976000. Its totient is φ = 382579200.

The previous prime is 1226901359. The next prime is 1226901391. The reversal of 1226901384 is 4831096221.

1226901384 is a `hidden beast` number, since 12 + 269 + 0 + 1 + 384 = 666.

It is a super-2 number, since 2×1226901384² = 3010574012122230912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11255922 + ... + 11256030.

It is an arithmetic number, because the mean of its divisors is an integer number (18953000).

Almost surely, 2^1226901384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1226901384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1819488000).

1226901384 is an abundant number, since it is smaller than the sum of its proper divisors (2412074616).

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

1226901384 is a wasteful number, since it uses less digits than its factorization.

1226901384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1226901384 is about 35027.1520966236. The cubic root of 1226901384 is about 1070.5407881537.

The spelling of 1226901384 in words is "one billion, two hundred twenty-six million, nine hundred one thousand, three hundred eighty-four".