1055722001 has 4 divisors (see below), whose sum is σ = 1058171904. Its totient is φ = 1053272100.

The previous prime is 1055721991. The next prime is 1055722021. The reversal of 1055722001 is 1002275501.

It is a happy number.

1055722001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1002275501 = 3923 ⋅255487.

It is a cyclic number.

It is not a de Polignac number, because 1055722001 - 2¹⁰ = 1055720977 is a prime.

It is a super-2 number, since 2×1055722001² = 2229097886790888002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055722021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1224305 + ... + 1225166.

It is an arithmetic number, because the mean of its divisors is an integer number (264542976).

Almost surely, 2^1055722001 is an apocalyptic number.

It is an amenable number.

1055722001 is a deficient number, since it is larger than the sum of its proper divisors (2449903).

1055722001 is an equidigital number, since it uses as much as digits as its factorization.

1055722001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2449902.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 1055722001 is about 32491.8759230673. The cubic root of 1055722001 is about 1018.2393054979.

Adding to 1055722001 its reverse (1002275501), we get a palindrome (2057997502).

The spelling of 1055722001 in words is "one billion, fifty-five million, seven hundred twenty-two thousand, one".