3220145354 has 8 divisors (see below), whose sum is σ = 4832253828. Its totient is φ = 1609394080.

The previous prime is 3220145347. The next prime is 3220145387. The reversal of 3220145354 is 4535410223.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3146649025 + 73496329 = 56095^2 + 8573^2 .

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

It is a super-2 number, since 2×3220145354² = 20738672201775570632, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333347 + ... + 342870.

Almost surely, 2^3220145354 is an apocalyptic number.

3220145354 is a deficient number, since it is larger than the sum of its proper divisors (1612108474).

3220145354 is a wasteful number, since it uses less digits than its factorization.

3220145354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678600.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 3220145354 is about 56746.3245858267. The cubic root of 3220145354 is about 1476.6984711430.

Adding to 3220145354 its reverse (4535410223), we get a palindrome (7755555577).

The spelling of 3220145354 in words is "three billion, two hundred twenty million, one hundred forty-five thousand, three hundred fifty-four".