2555227021 has 8 divisors (see below), whose sum is σ = 2666873664. Its totient is φ = 2443626240.

The previous prime is 2555227019. The next prime is 2555227069. The reversal of 2555227021 is 1207225552.

2555227021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2555227021 - 2¹ = 2555227019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555227621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152365 + ... + 168301.

It is an arithmetic number, because the mean of its divisors is an integer number (333359208).

Almost surely, 2^2555227021 is an apocalyptic number.

It is an amenable number.

2555227021 is a deficient number, since it is larger than the sum of its proper divisors (111646643).

2555227021 is a wasteful number, since it uses less digits than its factorization.

2555227021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22931.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 2555227021 is about 50549.2534168409. The cubic root of 2555227021 is about 1367.1300534999.

The spelling of 2555227021 in words is "two billion, five hundred fifty-five million, two hundred twenty-seven thousand, twenty-one".