22052755 has 4 divisors (see below), whose sum is σ = 26463312. Its totient is φ = 17642200.

The previous prime is 22052747. The next prime is 22052761. The reversal of 22052755 is 55725022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55725022 = 2 ⋅27862511.

It is not a de Polignac number, because 22052755 - 2³ = 22052747 is a prime.

It is a Duffinian 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, 2205271 + ... + 2205280.

It is an arithmetic number, because the mean of its divisors is an integer number (6615828).

Almost surely, 2^22052755 is an apocalyptic number.

22052755 is a deficient number, since it is larger than the sum of its proper divisors (4410557).

22052755 is an equidigital number, since it uses as much as digits as its factorization.

22052755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4410556.

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 22052755 is about 4696.0360944098. The cubic root of 22052755 is about 280.4277263770.

Adding to 22052755 its reverse (55725022), we get a palindrome (77777777).

It can be divided in two parts, 220 and 52755, that added together give a triangular number (52975 = T₃₂₅).

The spelling of 22052755 in words is "twenty-two million, fifty-two thousand, seven hundred fifty-five".