4291223652 has 36 divisors (see below), whose sum is σ = 11051929980. Its totient is φ = 1403418432.

The previous prime is 4291223647. The next prime is 4291223681. The reversal of 4291223652 is 2563221924.

4291223652 is a `hidden beast` number, since 4 + 291 + 2 + 2 + 365 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2665037376 + 1626186276 = 51624^2 + 40326^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1122627 + ... + 1126442.

It is an arithmetic number, because the mean of its divisors is an integer number (306998055).

Almost surely, 2^4291223652 is an apocalyptic number.

It is an amenable number.

4291223652 is an abundant number, since it is smaller than the sum of its proper divisors (6760706328).

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

4291223652 is a wasteful number, since it uses less digits than its factorization.

4291223652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249132 (or 2249127 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 4291223652 is about 65507.4320363728. The cubic root of 4291223652 is about 1625.0262593942.

It can be divided in two parts, 42912 and 23652, that added together give a square (66564 = 258²).

The spelling of 4291223652 in words is "four billion, two hundred ninety-one million, two hundred twenty-three thousand, six hundred fifty-two".