3220022645 has 16 divisors (see below), whose sum is σ = 4490881920. Its totient is φ = 2170590144.

The previous prime is 3220022639. The next prime is 3220022651. The reversal of 3220022645 is 5462200223.

It is an interprime number because it is at equal distance from previous prime (3220022639) and next prime (3220022651).

It is a cyclic number.

It is not a de Polignac number, because 3220022645 - 2¹⁰ = 3220021621 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 777602 + ... + 781731.

It is an arithmetic number, because the mean of its divisors is an integer number (280680120).

Almost surely, 2^3220022645 is an apocalyptic number.

3220022645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3220022645 is a deficient number, since it is larger than the sum of its proper divisors (1270859275).

3220022645 is a wasteful number, since it uses less digits than its factorization.

3220022645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559404.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 3220022645 is about 56745.2433689380. The cubic root of 3220022645 is about 1476.6797135535.

Adding to 3220022645 its reverse (5462200223), we get a palindrome (8682222868).

It can be divided in two parts, 32200 and 22645, that added together give a palindrome (54845).

The spelling of 3220022645 in words is "three billion, two hundred twenty million, twenty-two thousand, six hundred forty-five".