5222681021 has 16 divisors (see below), whose sum is σ = 5534879040. Its totient is φ = 4920706560.

The previous prime is 5222680997. The next prime is 5222681033. The reversal of 5222681021 is 1201862225.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5222681021 is a prime.

It is a super-2 number, since 2×5222681021² = 54552794094227204882, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5222681041) 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, 195341 + ... + 220461.

It is an arithmetic number, because the mean of its divisors is an integer number (345929940).

Almost surely, 2^5222681021 is an apocalyptic number.

It is an amenable number.

5222681021 is a deficient number, since it is larger than the sum of its proper divisors (312198019).

5222681021 is a wasteful number, since it uses less digits than its factorization.

5222681021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25324.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 5222681021 is about 72268.1189806404. The cubic root of 5222681021 is about 1734.9934274874.

The spelling of 5222681021 in words is "five billion, two hundred twenty-two million, six hundred eighty-one thousand, twenty-one".