22763642 has 16 divisors (see below), whose sum is σ = 37324800. Its totient is φ = 10326240.

The previous prime is 22763639. The next prime is 22763677. The reversal of 22763642 is 24636722.

It is a junction number, because it is equal to n+sod(n) for n = 22763599 and 22763608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17159 + ... + 18437.

It is an arithmetic number, because the mean of its divisors is an integer number (2332800).

Almost surely, 2^22763642 is an apocalyptic number.

22763642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22763642 is a deficient number, since it is larger than the sum of its proper divisors (14561158).

22763642 is a wasteful number, since it uses less digits than its factorization.

22763642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101.

The product of its digits is 24192, while the sum is 32.

The square root of 22763642 is about 4771.1258629384. The cubic root of 22763642 is about 283.4091813854.

Subtracting 22763642 from its reverse (24636722), we obtain a triangular number (1873080 = T₁₉₃₅).

The spelling of 22763642 in words is "twenty-two million, seven hundred sixty-three thousand, six hundred forty-two".