22010145 has 16 divisors (see below), whose sum is σ = 35614080. Its totient is φ = 11606144.

The previous prime is 22010141. The next prime is 22010167. The reversal of 22010145 is 54101022.

It is a cyclic number.

It is not a de Polignac number, because 22010145 - 2² = 22010141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (22010141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6909 + ... + 9578.

It is an arithmetic number, because the mean of its divisors is an integer number (2225880).

Almost surely, 2^22010145 is an apocalyptic number.

It is an amenable number.

22010145 is a deficient number, since it is larger than the sum of its proper divisors (13603935).

22010145 is a wasteful number, since it uses less digits than its factorization.

22010145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16584.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 22010145 is about 4691.4970958107. The cubic root of 22010145 is about 280.2469971877.

Adding to 22010145 its reverse (54101022), we get a palindrome (76111167).

It can be divided in two parts, 22010 and 145, that added together give a triangular number (22155 = T₂₁₀).

The spelling of 22010145 in words is "twenty-two million, ten thousand, one hundred forty-five".