1901223260 has 12 divisors (see below), whose sum is σ = 3992568888. Its totient is φ = 760489296.

The previous prime is 1901223167. The next prime is 1901223283. The reversal of 1901223260 is 623221091.

It is a super-3 number, since 3×1901223260³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47530562 + ... + 47530601.

It is an arithmetic number, because the mean of its divisors is an integer number (332714074).

Almost surely, 2^1901223260 is an apocalyptic number.

1901223260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1901223260 is an abundant number, since it is smaller than the sum of its proper divisors (2091345628).

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

1901223260 is a wasteful number, since it uses less digits than its factorization.

1901223260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95061172 (or 95061170 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1901223260 is about 43603.0189321795. The cubic root of 1901223260 is about 1238.8280767747.

The spelling of 1901223260 in words is "one billion, nine hundred one million, two hundred twenty-three thousand, two hundred sixty".