1900229733 has 8 divisors (see below), whose sum is σ = 2815155200. Its totient is φ = 1266819804.

The previous prime is 1900229731. The next prime is 1900229741. The reversal of 1900229733 is 3379220091.

It is not a de Polignac number, because 1900229733 - 2¹ = 1900229731 is a prime.

It is a super-2 number, since 2×1900229733² = 7221746076354502578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1900229731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35189413 + ... + 35189466.

It is an arithmetic number, because the mean of its divisors is an integer number (351894400).

Almost surely, 2^1900229733 is an apocalyptic number.

It is an amenable number.

1900229733 is a deficient number, since it is larger than the sum of its proper divisors (914925467).

1900229733 is an equidigital number, since it uses as much as digits as its factorization.

1900229733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70378888 (or 70378882 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 1900229733 is about 43591.6245739936. The cubic root of 1900229733 is about 1238.6122466780.

The spelling of 1900229733 in words is "one billion, nine hundred million, two hundred twenty-nine thousand, seven hundred thirty-three".