22201155 has 32 divisors (see below), whose sum is σ = 40320000. Its totient is φ = 11585376.

The previous prime is 22201129. The next prime is 22201159. The reversal of 22201155 is 55110222.

It is not a de Polignac number, because 22201155 - 2¹⁰ = 22200131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22201159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4596 + ... + 8094.

It is an arithmetic number, because the mean of its divisors is an integer number (1260000).

Almost surely, 2^22201155 is an apocalyptic number.

22201155 is a deficient number, since it is larger than the sum of its proper divisors (18118845).

22201155 is a wasteful number, since it uses less digits than its factorization.

22201155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3560 (or 3554 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 22201155 is about 4711.8101617107. The cubic root of 22201155 is about 281.0553497601.

Adding to 22201155 its reverse (55110222), we get a palindrome (77311377).

It can be divided in two parts, 2220 and 1155, that added together give a cube (3375 = 15³).

The spelling of 22201155 in words is "twenty-two million, two hundred one thousand, one hundred fifty-five".