22525226201 has 4 divisors (see below), whose sum is σ = 23074622004. Its totient is φ = 21975830400.

The previous prime is 22525226153. The next prime is 22525226261. The reversal of 22525226201 is 10262252522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6699586201 + 15825640000 = 81851^2 + 125800^2 .

It is a cyclic number.

It is not a de Polignac number, because 22525226201 - 2¹⁸ = 22524964057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22525226261) 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, 274697840 + ... + 274697921.

It is an arithmetic number, because the mean of its divisors is an integer number (5768655501).

Almost surely, 2^22525226201 is an apocalyptic number.

It is an amenable number.

22525226201 is a deficient number, since it is larger than the sum of its proper divisors (549395803).

22525226201 is an equidigital number, since it uses as much as digits as its factorization.

22525226201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549395802.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 22525226201 its reverse (10262252522), we get a palindrome (32787478723).

The spelling of 22525226201 in words is "twenty-two billion, five hundred twenty-five million, two hundred twenty-six thousand, two hundred one".