2212212040 has 32 divisors (see below), whose sum is σ = 5270271480. Its totient is φ = 832832512.

The previous prime is 2212212029. The next prime is 2212212043. The reversal of 2212212040 is 402122122.

2212212040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2212197156 + 14884 = 47034^2 + 122^2 .

It is not an unprimeable number, because it can be changed into a prime (2212212043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1625947 + ... + 1627306.

Almost surely, 2^2212212040 is an apocalyptic number.

2212212040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212212040 is an abundant number, since it is smaller than the sum of its proper divisors (3058059440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2212212040 is a wasteful number, since it uses less digits than its factorization.

2212212040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3253281 (or 3253277 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2212212040 is about 47034.1582256981. The cubic root of 2212212040 is about 1302.9935039483.

Adding to 2212212040 its reverse (402122122), we get a palindrome (2614334162).

The spelling of 2212212040 in words is "two billion, two hundred twelve million, two hundred twelve thousand, forty".