2213946436 has 24 divisors (see below), whose sum is σ = 4190840640. Its totient is φ = 1017314592.

The previous prime is 2213946433. The next prime is 2213946439. The reversal of 2213946436 is 6346493122.

It is an interprime number because it is at equal distance from previous prime (2213946433) and next prime (2213946439).

It is not an unprimeable number, because it can be changed into a prime (2213946433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81976 + ... + 105583.

It is an arithmetic number, because the mean of its divisors is an integer number (174618360).

Almost surely, 2^2213946436 is an apocalyptic number.

2213946436 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2213946436 is a deficient number, since it is larger than the sum of its proper divisors (1976894204).

2213946436 is a wasteful number, since it uses less digits than its factorization.

2213946436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187803 (or 187801 counting only the distinct ones).

The product of its digits is 186624, while the sum is 40.

The square root of 2213946436 is about 47052.5922346474. The cubic root of 2213946436 is about 1303.3339349048. Note that the first 3 decimals are identical.

The spelling of 2213946436 in words is "two billion, two hundred thirteen million, nine hundred forty-six thousand, four hundred thirty-six".