1055225262021 has 24 divisors (see below), whose sum is σ = 1638838144800. Its totient is φ = 602189253792.

The previous prime is 1055225262017. The next prime is 1055225262023. The reversal of 1055225262021 is 1202625225501.

It is a happy number.

It is not a de Polignac number, because 1055225262021 - 2² = 1055225262017 is a prime.

It is a super-2 number, since 2×1055225262021² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055225262023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4630071 + ... + 4852628.

It is an arithmetic number, because the mean of its divisors is an integer number (68284922700).

Almost surely, 2^{1055225262021} is an apocalyptic number.

It is an amenable number.

1055225262021 is a deficient number, since it is larger than the sum of its proper divisors (583612882779).

1055225262021 is an equidigital number, since it uses as much as digits as its factorization.

1055225262021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9483473 (or 9483466 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 1055225262021 in words is "one trillion, fifty-five billion, two hundred twenty-five million, two hundred sixty-two thousand, twenty-one".