22202245 has 16 divisors (see below), whose sum is σ = 29941632. Its totient is φ = 15681600.

The previous prime is 22202209. The next prime is 22202249. The reversal of 22202245 is 54220222.

It is not a de Polignac number, because 22202245 - 2¹⁷ = 22071173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202249) 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, 5931 + ... + 8920.

It is an arithmetic number, because the mean of its divisors is an integer number (1871352).

Almost surely, 2^22202245 is an apocalyptic number.

It is an amenable number.

22202245 is a deficient number, since it is larger than the sum of its proper divisors (7739387).

22202245 is a wasteful number, since it uses less digits than its factorization.

22202245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14892.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 22202245 is about 4711.9258270902. The cubic root of 22202245 is about 281.0599493003.

Adding to 22202245 its reverse (54220222), we get a palindrome (76422467).

It can be divided in two parts, 2220 and 2245, that added together give a triangular number (4465 = T₉₄).

The spelling of 22202245 in words is "twenty-two million, two hundred two thousand, two hundred forty-five".