22235245 has 4 divisors (see below), whose sum is σ = 26682300. Its totient is φ = 17788192.

The previous prime is 22235231. The next prime is 22235267. The reversal of 22235245 is 54253222.

It is a happy number.

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 4418404 + 17816841 = 2102^2 + 4221^2 .

It is a cyclic number.

It is not a de Polignac number, because 22235245 - 2¹³ = 22227053 is a prime.

It is a super-2 number, since 2×22235245² = 988812240420050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2223520 + ... + 2223529.

It is an arithmetic number, because the mean of its divisors is an integer number (6670575).

Almost surely, 2^22235245 is an apocalyptic number.

It is an amenable number.

22235245 is a deficient number, since it is larger than the sum of its proper divisors (4447055).

22235245 is an equidigital number, since it uses as much as digits as its factorization.

22235245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4447054.

The product of its digits is 4800, while the sum is 25.

The square root of 22235245 is about 4715.4262797758. The cubic root of 22235245 is about 281.1991302236.

Adding to 22235245 its reverse (54253222), we get a palindrome (76488467).

The spelling of 22235245 in words is "twenty-two million, two hundred thirty-five thousand, two hundred forty-five".