2212545105 has 32 divisors (see below), whose sum is σ = 3964416000. Its totient is φ = 1170723456.

The previous prime is 2212545103. The next prime is 2212545119. The reversal of 2212545105 is 5015452122.

2212545105 is a `hidden beast` number, since 2 + 2 + 12 + 545 + 105 = 666.

It is not a de Polignac number, because 2212545105 - 2¹ = 2212545103 is a prime.

It is a super-2 number, since 2×2212545105² = 9790711683318922050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2212545103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47380 + ... + 81669.

It is an arithmetic number, because the mean of its divisors is an integer number (123888000).

Almost surely, 2^2212545105 is an apocalyptic number.

It is an amenable number.

2212545105 is a deficient number, since it is larger than the sum of its proper divisors (1751870895).

2212545105 is a wasteful number, since it uses less digits than its factorization.

2212545105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129190 (or 129184 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 2212545105 is about 47037.6987638639. The cubic root of 2212545105 is about 1303.0588924593.

Adding to 2212545105 its reverse (5015452122), we get a palindrome (7227997227).

The spelling of 2212545105 in words is "two billion, two hundred twelve million, five hundred forty-five thousand, one hundred five".