1822763642 has 24 divisors (see below), whose sum is σ = 3188906496. Its totient is φ = 779128728.

The previous prime is 1822763629. The next prime is 1822763653. The reversal of 1822763642 is 2463672281.

It is a self number, because there is not a number n which added to its sum of digits gives 1822763642.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13253 + ... + 61815.

It is an arithmetic number, because the mean of its divisors is an integer number (132871104).

Almost surely, 2^1822763642 is an apocalyptic number.

1822763642 is a deficient number, since it is larger than the sum of its proper divisors (1366142854).

1822763642 is a wasteful number, since it uses less digits than its factorization.

1822763642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48962 (or 48955 counting only the distinct ones).

The product of its digits is 193536, while the sum is 41.

The square root of 1822763642 is about 42693.8361124882. The cubic root of 1822763642 is about 1221.5468245858.

The spelling of 1822763642 in words is "one billion, eight hundred twenty-two million, seven hundred sixty-three thousand, six hundred forty-two".