22783642 has 8 divisors (see below), whose sum is σ = 39057696. Its totient is φ = 9764412.

The previous prime is 22783637. The next prime is 22783697. The reversal of 22783642 is 24638722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22783598 and 22783607.

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, 813688 + ... + 813715.

It is an arithmetic number, because the mean of its divisors is an integer number (4882212).

Almost surely, 2^22783642 is an apocalyptic number.

22783642 is a deficient number, since it is larger than the sum of its proper divisors (16274054).

22783642 is a wasteful number, since it uses less digits than its factorization.

22783642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627412.

The product of its digits is 32256, while the sum is 34.

The square root of 22783642 is about 4773.2213441239. The cubic root of 22783642 is about 283.4921576278.

The spelling of 22783642 in words is "twenty-two million, seven hundred eighty-three thousand, six hundred forty-two".