2025022205221 has 4 divisors (see below), whose sum is σ = 2043600390700. Its totient is φ = 2006444019744.

The previous prime is 2025022205203. The next prime is 2025022205243. The reversal of 2025022205221 is 1225022205202.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1621814985025 + 403207220196 = 1273505^2 + 634986^2 .

It is a cyclic number.

It is not a de Polignac number, because 2025022205221 - 2¹¹ = 2025022203173 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 (2025022295221) 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, 9289092576 + ... + 9289092793.

It is an arithmetic number, because the mean of its divisors is an integer number (510900097675).

Almost surely, 2^{2025022205221} is an apocalyptic number.

It is an amenable number.

2025022205221 is a deficient number, since it is larger than the sum of its proper divisors (18578185479).

2025022205221 is a wasteful number, since it uses less digits than its factorization.

2025022205221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18578185478.

The product of its (nonzero) digits is 3200, while the sum is 25.

The spelling of 2025022205221 in words is "two trillion, twenty-five billion, twenty-two million, two hundred five thousand, two hundred twenty-one".