1226666412 has 36 divisors (see below), whose sum is σ = 3131449776. Its totient is φ = 404839200.

The previous prime is 1226666407. The next prime is 1226666431. The reversal of 1226666412 is 2146666221.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×1226666412³ (a number of 28 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165048 + ... + 172319.

It is an arithmetic number, because the mean of its divisors is an integer number (86984716).

Almost surely, 2^1226666412 is an apocalyptic number.

1226666412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1226666412 is an abundant number, since it is smaller than the sum of its proper divisors (1904783364).

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

1226666412 is a wasteful number, since it uses less digits than its factorization.

1226666412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337478 (or 337473 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 1226666412 is about 35023.7977952135. The cubic root of 1226666412 is about 1070.4724416744.

The spelling of 1226666412 in words is "one billion, two hundred twenty-six million, six hundred sixty-six thousand, four hundred twelve".