4220252546 has 4 divisors (see below), whose sum is σ = 6330378822. Its totient is φ = 2110126272.

The previous prime is 4220252539. The next prime is 4220252563. The reversal of 4220252546 is 6452520224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3406006321 + 814246225 = 58361^2 + 28535^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055063135 + ... + 1055063138.

Almost surely, 2^4220252546 is an apocalyptic number.

4220252546 is a deficient number, since it is larger than the sum of its proper divisors (2110126276).

4220252546 is a wasteful number, since it uses less digits than its factorization.

4220252546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110126275.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 4220252546 is about 64963.4708586295. The cubic root of 4220252546 is about 1616.0178251085.

The spelling of 4220252546 in words is "four billion, two hundred twenty million, two hundred fifty-two thousand, five hundred forty-six".