1226066631 has 8 divisors (see below), whose sum is σ = 1634953344. Its totient is φ = 817278840.

The previous prime is 1226066629. The next prime is 1226066659. The reversal of 1226066631 is 1366606221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1226066631 - 2¹ = 1226066629 is a prime.

It is a super-2 number, since 2×1226066631² = 3006478767303380322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1226066592 and 1226066601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226066531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11976 + ... + 50946.

It is an arithmetic number, because the mean of its divisors is an integer number (204369168).

Almost surely, 2^1226066631 is an apocalyptic number.

1226066631 is a deficient number, since it is larger than the sum of its proper divisors (408886713).

1226066631 is a wasteful number, since it uses less digits than its factorization.

1226066631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49461.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 1226066631 is about 35015.2342702430. The cubic root of 1226066631 is about 1070.2979433491.

The spelling of 1226066631 in words is "one billion, two hundred twenty-six million, sixty-six thousand, six hundred thirty-one".