1822717480 has 16 divisors (see below), whose sum is σ = 4101114420. Its totient is φ = 729086976.

The previous prime is 1822717453. The next prime is 1822717493. The reversal of 1822717480 is 847172281.

It can be written as a sum of positive squares in 2 ways, for example, as 1720424484 + 102292996 = 41478^2 + 10114^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 45567937 = 1822717480 / (1 + 8 + 2 + 2 + 7 + 1 + 7 + 4 + 8 + 0).

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, 22783929 + ... + 22784008.

Almost surely, 2^1822717480 is an apocalyptic number.

1822717480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1822717480 is an abundant number, since it is smaller than the sum of its proper divisors (2278396940).

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

1822717480 is a wasteful number, since it uses less digits than its factorization.

1822717480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45567948 (or 45567944 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 40.

The square root of 1822717480 is about 42693.2954923838. The cubic root of 1822717480 is about 1221.5365124935.

The spelling of 1822717480 in words is "one billion, eight hundred twenty-two million, seven hundred seventeen thousand, four hundred eighty".