22442763 has 8 divisors (see below), whose sum is σ = 34198528. Its totient is φ = 12824424.

The previous prime is 22442753. The next prime is 22442837. The reversal of 22442763 is 36724422.

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

It is not a de Polignac number, because 22442763 - 2⁴ = 22442747 is a prime.

It is a super-2 number, since 2×22442763² = 1007355222148338, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22442763.

It is not an unprimeable number, because it can be changed into a prime (22442713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534331 + ... + 534372.

It is an arithmetic number, because the mean of its divisors is an integer number (4274816).

Almost surely, 2^22442763 is an apocalyptic number.

22442763 is a deficient number, since it is larger than the sum of its proper divisors (11755765).

22442763 is a wasteful number, since it uses less digits than its factorization.

22442763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068713.

The product of its digits is 16128, while the sum is 30.

The square root of 22442763 is about 4737.3793388328. The cubic root of 22442763 is about 282.0712183688.

The spelling of 22442763 in words is "twenty-two million, four hundred forty-two thousand, seven hundred sixty-three".