22098637 has 16 divisors (see below), whose sum is σ = 24696000. Its totient is φ = 19607040.

The previous prime is 22098613. The next prime is 22098641. The reversal of 22098637 is 73689022.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22098637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22098596 and 22098605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22098647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148239 + ... + 148387.

It is an arithmetic number, because the mean of its divisors is an integer number (1543500).

Almost surely, 2^22098637 is an apocalyptic number.

It is an amenable number.

22098637 is a deficient number, since it is larger than the sum of its proper divisors (2597363).

22098637 is a wasteful number, since it uses less digits than its factorization.

22098637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 22098637 is about 4700.9187399912. The cubic root of 22098637 is about 280.6220735538.

The spelling of 22098637 in words is "twenty-two million, ninety-eight thousand, six hundred thirty-seven".