22553435 has 4 divisors (see below), whose sum is σ = 27064128. Its totient is φ = 18042744.

The previous prime is 22553431. The next prime is 22553449. The reversal of 22553435 is 53435522.

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

It is a cyclic number.

It is not a de Polignac number, because 22553435 - 2² = 22553431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22553398 and 22553407.

It is not an unprimeable number, because it can be changed into a prime (22553431) 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, 2255339 + ... + 2255348.

It is an arithmetic number, because the mean of its divisors is an integer number (6766032).

Almost surely, 2^22553435 is an apocalyptic number.

22553435 is a deficient number, since it is larger than the sum of its proper divisors (4510693).

22553435 is an equidigital number, since it uses as much as digits as its factorization.

22553435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4510692.

The product of its digits is 18000, while the sum is 29.

The square root of 22553435 is about 4749.0456936105. The cubic root of 22553435 is about 282.5341175804.

Adding to 22553435 its reverse (53435522), we get a palindrome (75988957).

The spelling of 22553435 in words is "twenty-two million, five hundred fifty-three thousand, four hundred thirty-five".