1226044404 has 48 divisors (see below), whose sum is σ = 3423147840. Its totient is φ = 377244000.

The previous prime is 1226044399. The next prime is 1226044433. The reversal of 1226044404 is 4044406221.

It is a happy number.

1226044404 is a `hidden beast` number, since 12 + 2 + 604 + 4 + 40 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435222 + ... + 438029.

It is an arithmetic number, because the mean of its divisors is an integer number (71315580).

Almost surely, 2^1226044404 is an apocalyptic number.

It is an amenable number.

1226044404 is an abundant number, since it is smaller than the sum of its proper divisors (2197103436).

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

1226044404 is a wasteful number, since it uses less digits than its factorization.

1226044404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873277 (or 873269 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 1226044404 is about 35014.9168783820. The cubic root of 1226044404 is about 1070.2914756048.

The spelling of 1226044404 in words is "one billion, two hundred twenty-six million, forty-four thousand, four hundred four".