3222222145 has 48 divisors (see below), whose sum is σ = 4209383808. Its totient is φ = 2363074560.

The previous prime is 3222222137. The next prime is 3222222169. The reversal of 3222222145 is 5412222223.

It is not a de Polignac number, because 3222222145 - 2³ = 3222222137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15271090 + ... + 15271300.

It is an arithmetic number, because the mean of its divisors is an integer number (87695496).

Almost surely, 2^3222222145 is an apocalyptic number.

It is an amenable number.

3222222145 is a deficient number, since it is larger than the sum of its proper divisors (987161663).

3222222145 is a wasteful number, since it uses less digits than its factorization.

3222222145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 373 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 3222222145 is about 56764.6205395579. The cubic root of 3222222145 is about 1477.0158620987.

Adding to 3222222145 its reverse (5412222223), we get a palindrome (8634444368).

The spelling of 3222222145 in words is "three billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred forty-five".