755220001 has 16 divisors (see below), whose sum is σ = 798969600. Its totient is φ = 712793088.

The previous prime is 755219957. The next prime is 755220029. The reversal of 755220001 is 100022557.

It is not a de Polignac number, because 755220001 - 2⁷ = 755219873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (755220031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329080 + ... + 331366.

It is an arithmetic number, because the mean of its divisors is an integer number (49935600).

Almost surely, 2^755220001 is an apocalyptic number.

It is an amenable number.

755220001 is a deficient number, since it is larger than the sum of its proper divisors (43749599).

755220001 is a wasteful number, since it uses less digits than its factorization.

755220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 755220001 is about 27481.2663645619. The cubic root of 755220001 is about 910.6632852924.

Adding to 755220001 its reverse (100022557), we get a palindrome (855242558).

The spelling of 755220001 in words is "seven hundred fifty-five million, two hundred twenty thousand, one".