1900681226 has 32 divisors (see below), whose sum is σ = 3209181120. Its totient is φ = 838944000.

The previous prime is 1900681213. The next prime is 1900681229. The reversal of 1900681226 is 6221860091.

It is a super-2 number, since 2×1900681226² = 7225178245737726152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1900681229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50681 + ... + 79811.

It is an arithmetic number, because the mean of its divisors is an integer number (100286910).

Almost surely, 2^1900681226 is an apocalyptic number.

1900681226 is a deficient number, since it is larger than the sum of its proper divisors (1308499894).

1900681226 is a wasteful number, since it uses less digits than its factorization.

1900681226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29270.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1900681226 is about 43596.8029332427. The cubic root of 1900681226 is about 1238.7103366553.

The spelling of 1900681226 in words is "one billion, nine hundred million, six hundred eighty-one thousand, two hundred twenty-six".