22125201 has 8 divisors (see below), whose sum is σ = 33714624. Its totient is φ = 12642960.

The previous prime is 22125197. The next prime is 22125217. The reversal of 22125201 is 10252122.

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

It is not a de Polignac number, because 22125201 - 2² = 22125197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22125251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526770 + ... + 526811.

It is an arithmetic number, because the mean of its divisors is an integer number (4214328).

Almost surely, 2^22125201 is an apocalyptic number.

22125201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22125201 is a deficient number, since it is larger than the sum of its proper divisors (11589423).

22125201 is a wasteful number, since it uses less digits than its factorization.

22125201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053591.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 22125201 is about 4703.7432965671. The cubic root of 22125201 is about 280.7344705287.

Adding to 22125201 its reverse (10252122), we get a palindrome (32377323).

The spelling of 22125201 in words is "twenty-two million, one hundred twenty-five thousand, two hundred one".