22066948 has 12 divisors (see below), whose sum is σ = 39661132. Its totient is φ = 10735200.

The previous prime is 22066943. The next prime is 22066949. The reversal of 22066948 is 84966022.

It can be written as a sum of positive squares in 2 ways, for example, as 17040384 + 5026564 = 4128^2 + 2242^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22066943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74403 + ... + 74698.

Almost surely, 2^22066948 is an apocalyptic number.

It is an amenable number.

22066948 is a deficient number, since it is larger than the sum of its proper divisors (17594184).

22066948 is a wasteful number, since it uses less digits than its factorization.

22066948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149142 (or 149140 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 22066948 is about 4697.5470194560. The cubic root of 22066948 is about 280.4878739212.

The spelling of 22066948 in words is "twenty-two million, sixty-six thousand, nine hundred forty-eight".