2215703952 has 180 divisors, whose sum is σ = 7869313296. Its totient is φ = 575487360.

The previous prime is 2215703929. The next prime is 2215703969. The reversal of 2215703952 is 2593075122.

2215703952 is a `hidden beast` number, since 2 + 2 + 1 + 570 + 39 + 52 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 63343 + ... + 91889.

Almost surely, 2^2215703952 is an apocalyptic number.

2215703952 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2215703952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3934656648).

2215703952 is an abundant number, since it is smaller than the sum of its proper divisors (5653609344).

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

2215703952 is a wasteful number, since it uses less digits than its factorization.

2215703952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28586 (or 28570 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 2215703952 is about 47071.2646101632. The cubic root of 2215703952 is about 1303.6787225871.

It can be divided in two parts, 221570 and 3952, that added together give a palindrome (225522).

The spelling of 2215703952 in words is "two billion, two hundred fifteen million, seven hundred three thousand, nine hundred fifty-two".