1900229734 has 8 divisors (see below), whose sum is σ = 3069601920. Its totient is φ = 877029096.

The previous prime is 1900229731. The next prime is 1900229741. The reversal of 1900229734 is 4379220091.

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

It is a super-2 number, since 2×1900229734² = 7221746083955421512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1900229693 and 1900229702.

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 3 ways as a sum of consecutive naturals, for example, 36542854 + ... + 36542905.

It is an arithmetic number, because the mean of its divisors is an integer number (383700240).

Almost surely, 2^1900229734 is an apocalyptic number.

1900229734 is a deficient number, since it is larger than the sum of its proper divisors (1169372186).

1900229734 is a wasteful number, since it uses less digits than its factorization.

1900229734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73085774.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 1900229734 is about 43591.6245854637. The cubic root of 1900229734 is about 1238.6122468952.

The spelling of 1900229734 in words is "one billion, nine hundred million, two hundred twenty-nine thousand, seven hundred thirty-four".