22601798 has 4 divisors (see below), whose sum is σ = 33902700. Its totient is φ = 11300898.

The previous prime is 22601791. The next prime is 22601819. The reversal of 22601798 is 89710622.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89710622 = 2 ⋅44855311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22601791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5650448 + ... + 5650451.

It is an arithmetic number, because the mean of its divisors is an integer number (8475675).

Almost surely, 2^22601798 is an apocalyptic number.

22601798 is a deficient number, since it is larger than the sum of its proper divisors (11300902).

22601798 is a wasteful number, since it uses less digits than its factorization.

22601798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11300901.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 22601798 is about 4754.1348319121. The cubic root of 22601798 is about 282.7359263381.

The spelling of 22601798 in words is "twenty-two million, six hundred one thousand, seven hundred ninety-eight".