22074424 has 8 divisors (see below), whose sum is σ = 41389560. Its totient is φ = 11037208.

The previous prime is 22074419. The next prime is 22074427. The reversal of 22074424 is 42447022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22074427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1379644 + ... + 1379659.

It is an arithmetic number, because the mean of its divisors is an integer number (5173695).

Almost surely, 2^22074424 is an apocalyptic number.

It is an amenable number.

22074424 is a deficient number, since it is larger than the sum of its proper divisors (19315136).

22074424 is a wasteful number, since it uses less digits than its factorization.

22074424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759309 (or 2759305 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 25.

The square root of 22074424 is about 4698.3426865226. The cubic root of 22074424 is about 280.5195455806.

The spelling of 22074424 in words is "twenty-two million, seventy-four thousand, four hundred twenty-four".