1812299248 has 10 divisors (see below), whose sum is σ = 3511329824. Its totient is φ = 906149616.

The previous prime is 1812299231. The next prime is 1812299299. The reversal of 1812299248 is 8429922181.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1812299198 and 1812299207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56634336 + ... + 56634367.

Almost surely, 2^1812299248 is an apocalyptic number.

It is an amenable number.

1812299248 is a deficient number, since it is larger than the sum of its proper divisors (1699030576).

1812299248 is a wasteful number, since it uses less digits than its factorization.

1812299248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113268711 (or 113268705 counting only the distinct ones).

The product of its digits is 165888, while the sum is 46.

The square root of 1812299248 is about 42571.1081368573. The cubic root of 1812299248 is about 1219.2047240180.

It can be divided in two parts, 18122 and 99248, that added together give a triangular number (117370 = T₄₈₄).

The spelling of 1812299248 in words is "one billion, eight hundred twelve million, two hundred ninety-nine thousand, two hundred forty-eight".