1901226706 has 24 divisors (see below), whose sum is σ = 2950630704. Its totient is φ = 918574800.

The previous prime is 1901226661. The next prime is 1901226707. The reversal of 1901226706 is 6076221091.

It is a super-4 number, since 4×1901226706⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1901226707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 373881 + ... + 378931.

It is an arithmetic number, because the mean of its divisors is an integer number (122942946).

Almost surely, 2^1901226706 is an apocalyptic number.

1901226706 is a deficient number, since it is larger than the sum of its proper divisors (1049403998).

1901226706 is an equidigital number, since it uses as much as digits as its factorization.

1901226706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5226 (or 5173 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1901226706 is about 43603.0584477741. The cubic root of 1901226706 is about 1238.8288252400.

Adding to 1901226706 its reverse (6076221091), we get a palindrome (7977447797).

The spelling of 1901226706 in words is "one billion, nine hundred one million, two hundred twenty-six thousand, seven hundred six".