2212405620 has 48 divisors (see below), whose sum is σ = 6326546688. Its totient is φ = 577421440.

The previous prime is 2212405603. The next prime is 2212405649. The reversal of 2212405620 is 265042122.

It is a happy number.

2212405620 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389451 + ... + 395090.

It is an arithmetic number, because the mean of its divisors is an integer number (131803056).

Almost surely, 2^2212405620 is an apocalyptic number.

2212405620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212405620 is an abundant number, since it is smaller than the sum of its proper divisors (4114141068).

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

2212405620 is a wasteful number, since it uses less digits than its factorization.

2212405620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784600 (or 784598 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2212405620 is about 47036.2160467868. The cubic root of 2212405620 is about 1303.0315090643.

Adding to 2212405620 its reverse (265042122), we get a palindrome (2477447742).

The spelling of 2212405620 in words is "two billion, two hundred twelve million, four hundred five thousand, six hundred twenty".