1831227764 has 6 divisors (see below), whose sum is σ = 3204648594. Its totient is φ = 915613880.

The previous prime is 1831227763. The next prime is 1831227787. The reversal of 1831227764 is 4677221381.

It can be written as a sum of positive squares in only one way, i.e., 1626508900 + 204718864 = 40330^2 + 14308^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1831227763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228903467 + ... + 228903474.

It is an arithmetic number, because the mean of its divisors is an integer number (534108099).

Almost surely, 2^1831227764 is an apocalyptic number.

It is an amenable number.

1831227764 is a deficient number, since it is larger than the sum of its proper divisors (1373420830).

1831227764 is a wasteful number, since it uses less digits than its factorization.

1831227764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457806945 (or 457806943 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 1831227764 is about 42792.8471125724. The cubic root of 1831227764 is about 1223.4346829457.

The spelling of 1831227764 in words is "one billion, eight hundred thirty-one million, two hundred twenty-seven thousand, seven hundred sixty-four".