22061253 has 4 divisors (see below), whose sum is σ = 29415008. Its totient is φ = 14707500.

The previous prime is 22061227. The next prime is 22061269. The reversal of 22061253 is 35216022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22061253 - 2⁹ = 22060741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22061293) 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, 3676873 + ... + 3676878.

It is an arithmetic number, because the mean of its divisors is an integer number (7353752).

Almost surely, 2^22061253 is an apocalyptic number.

It is an amenable number.

22061253 is a deficient number, since it is larger than the sum of its proper divisors (7353755).

22061253 is an equidigital number, since it uses as much as digits as its factorization.

22061253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7353754.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 22061253 is about 4696.9408129122. The cubic root of 22061253 is about 280.4637425691.

Adding to 22061253 its reverse (35216022), we get a palindrome (57277275).

The spelling of 22061253 in words is "twenty-two million, sixty-one thousand, two hundred fifty-three".