4212722844 has 72 divisors (see below), whose sum is σ = 12047188608. Its totient is φ = 1276579440.

The previous prime is 4212722837. The next prime is 4212722863. The reversal of 4212722844 is 4482272124.

4212722844 is a `hidden beast` number, since 421 + 2 + 7 + 228 + 4 + 4 = 666.

4212722844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4212722799 and 4212722808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186312 + ... + 207695.

It is an arithmetic number, because the mean of its divisors is an integer number (167322064).

Almost surely, 2^4212722844 is an apocalyptic number.

4212722844 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4212722844 is an abundant number, since it is smaller than the sum of its proper divisors (7834465764).

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

4212722844 is a wasteful number, since it uses less digits than its factorization.

4212722844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394037 (or 394023 counting only the distinct ones).

The product of its digits is 57344, while the sum is 36.

The square root of 4212722844 is about 64905.4916320645. The cubic root of 4212722844 is about 1615.0561625521.

Adding to 4212722844 its reverse (4482272124), we get a palindrome (8694994968).

The spelling of 4212722844 in words is "four billion, two hundred twelve million, seven hundred twenty-two thousand, eight hundred forty-four".