2212322040 has 48 divisors (see below), whose sum is σ = 7190047800. Its totient is φ = 589952448.

The previous prime is 2212322029. The next prime is 2212322059. The reversal of 2212322040 is 402232122.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3072310 + ... + 3073029.

Almost surely, 2^2212322040 is an apocalyptic number.

2212322040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212322040 is an abundant number, since it is smaller than the sum of its proper divisors (4977725760).

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

2212322040 is a wasteful number, since it uses less digits than its factorization.

2212322040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6145356 (or 6145349 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2212322040 is about 47035.3275740693. The cubic root of 2212322040 is about 1303.0151002672.

Adding to 2212322040 its reverse (402232122), we get a palindrome (2614554162).

The spelling of 2212322040 in words is "two billion, two hundred twelve million, three hundred twenty-two thousand, forty".