2212756464 has 40 divisors (see below), whose sum is σ = 5796807552. Its totient is φ = 727195840.

The previous prime is 2212756457. The next prime is 2212756477. The reversal of 2212756464 is 4646572122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321234 + ... + 328049.

Almost surely, 2^2212756464 is an apocalyptic number.

2212756464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2212756464 is an abundant number, since it is smaller than the sum of its proper divisors (3584051088).

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

2212756464 is a wasteful number, since it uses less digits than its factorization.

2212756464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649365 (or 649359 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 2212756464 is about 47039.9454081316. The cubic root of 2212756464 is about 1303.1003838100.

The spelling of 2212756464 in words is "two billion, two hundred twelve million, seven hundred fifty-six thousand, four hundred sixty-four".