22784094 has 24 divisors (see below), whose sum is σ = 49514400. Its totient is φ = 7571808.

The previous prime is 22784093. The next prime is 22784137. The reversal of 22784094 is 49048722.

It is a super-2 number, since 2×22784094² = 1038229878801672, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22784093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4882 + ... + 8330.

It is an arithmetic number, because the mean of its divisors is an integer number (2063100).

Almost surely, 2^22784094 is an apocalyptic number.

22784094 is an abundant number, since it is smaller than the sum of its proper divisors (26730306).

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

22784094 is a wasteful number, since it uses less digits than its factorization.

22784094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3824 (or 3821 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 22784094 is about 4773.2686913686. The cubic root of 22784094 is about 283.4940323296.

The spelling of 22784094 in words is "twenty-two million, seven hundred eighty-four thousand, ninety-four".