22214394 has 12 divisors (see below), whose sum is σ = 48131226. Its totient is φ = 7404792.

The previous prime is 22214371. The next prime is 22214399. The reversal of 22214394 is 49341222.

22214394 is a `hidden beast` number, since 2 + 221 + 439 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22212369 + 2025 = 4713^2 + 45^2 .

It is not an unprimeable number, because it can be changed into a prime (22214399) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 617049 + ... + 617084.

Almost surely, 2^22214394 is an apocalyptic number.

22214394 is an abundant number, since it is smaller than the sum of its proper divisors (25916832).

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

22214394 is a wasteful number, since it uses less digits than its factorization.

22214394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234141 (or 1234138 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 22214394 is about 4713.2148264216. The cubic root of 22214394 is about 281.1112049983. Note that the first 3 decimals are identical.

The spelling of 22214394 in words is "twenty-two million, two hundred fourteen thousand, three hundred ninety-four".