22245501 has 8 divisors (see below), whose sum is σ = 29687040. Its totient is φ = 14817152.

The previous prime is 22245497. The next prime is 22245521. The reversal of 22245501 is 10554222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22245501 - 2² = 22245497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22245521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1741 + ... + 6893.

It is an arithmetic number, because the mean of its divisors is an integer number (3710880).

Almost surely, 2^22245501 is an apocalyptic number.

It is an amenable number.

22245501 is a deficient number, since it is larger than the sum of its proper divisors (7441539).

22245501 is a wasteful number, since it uses less digits than its factorization.

22245501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6595.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 22245501 is about 4716.5136488724. The cubic root of 22245501 is about 281.2423579158.

Adding to 22245501 its reverse (10554222), we get a palindrome (32799723).

The spelling of 22245501 in words is "twenty-two million, two hundred forty-five thousand, five hundred one".