4022211021 has 8 divisors (see below), whose sum is σ = 5418236544. Its totient is φ = 2653829760.

The previous prime is 4022210981. The next prime is 4022211041. The reversal of 4022211021 is 1201122204.

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

It is a de Polignac number, because none of the positive numbers 2^k-4022211021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022211041) 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, 6910725 + ... + 6911306.

It is an arithmetic number, because the mean of its divisors is an integer number (677279568).

Almost surely, 2^4022211021 is an apocalyptic number.

It is an amenable number.

4022211021 is a deficient number, since it is larger than the sum of its proper divisors (1396025523).

4022211021 is a wasteful number, since it uses less digits than its factorization.

4022211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13822131.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 4022211021 is about 63420.9036595979. The cubic root of 4022211021 is about 1590.3337802488. Note that the first 3 decimals are identical.

Adding to 4022211021 its reverse (1201122204), we get a palindrome (5223333225).

The spelling of 4022211021 in words is "four billion, twenty-two million, two hundred eleven thousand, twenty-one".