22001348 has 12 divisors (see below), whose sum is σ = 38535420. Its totient is φ = 10991232.

The previous prime is 22001341. The next prime is 22001359. The reversal of 22001348 is 84310022.

It can be written as a sum of positive squares in 2 ways, for example, as 11710084 + 10291264 = 3422^2 + 3208^2 .

It is not an unprimeable number, because it can be changed into a prime (22001341) 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, 7040 + ... + 9672.

It is an arithmetic number, because the mean of its divisors is an integer number (3211285).

Almost surely, 2^22001348 is an apocalyptic number.

It is an amenable number.

22001348 is a deficient number, since it is larger than the sum of its proper divisors (16534072).

22001348 is a wasteful number, since it uses less digits than its factorization.

22001348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4726 (or 4724 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 22001348 is about 4690.5594549051. The cubic root of 22001348 is about 280.2096559017.

The spelling of 22001348 in words is "twenty-two million, one thousand, three hundred forty-eight".