2212154332 has 24 divisors (see below), whose sum is σ = 3927264656. Its totient is φ = 1090101888.

The previous prime is 2212154323. The next prime is 2212154339. The reversal of 2212154332 is 2334512122.

It is a junction number, because it is equal to n+sod(n) for n = 2212154297 and 2212154306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212154339) 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, 606418 + ... + 610054.

Almost surely, 2^2212154332 is an apocalyptic number.

It is an amenable number.

2212154332 is a deficient number, since it is larger than the sum of its proper divisors (1715110324).

2212154332 is a wasteful number, since it uses less digits than its factorization.

2212154332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5797 (or 5795 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 2212154332 is about 47033.5447526550. The cubic root of 2212154332 is about 1302.9821738405.

Adding to 2212154332 its reverse (2334512122), we get a palindrome (4546666454).

The spelling of 2212154332 in words is "two billion, two hundred twelve million, one hundred fifty-four thousand, three hundred thirty-two".