22512055 has 16 divisors (see below), whose sum is σ = 29675520. Its totient is φ = 16318368.

The previous prime is 22512053. The next prime is 22512143. The reversal of 22512055 is 55021522.

It is a cyclic number.

It is not a de Polignac number, because 22512055 - 2¹ = 22512053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22512053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2967 + ... + 7336.

It is an arithmetic number, because the mean of its divisors is an integer number (1854720).

Almost surely, 2^22512055 is an apocalyptic number.

22512055 is a deficient number, since it is larger than the sum of its proper divisors (7163465).

22512055 is a wasteful number, since it uses less digits than its factorization.

22512055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10350.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 22512055 is about 4744.6870286669. The cubic root of 22512055 is about 282.3612182818.

Adding to 22512055 its reverse (55021522), we get a palindrome (77533577).

It can be divided in two parts, 2251205 and 5, that multiplied together give a square (11256025 = 3355²).

The spelling of 22512055 in words is "twenty-two million, five hundred twelve thousand, fifty-five".