3220154534 has 4 divisors (see below), whose sum is σ = 4830231804. Its totient is φ = 1610077266.

The previous prime is 3220154533. The next prime is 3220154557. The reversal of 3220154534 is 4354510223.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 3220154497 and 3220154506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220154533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805038632 + ... + 805038635.

It is an arithmetic number, because the mean of its divisors is an integer number (1207557951).

Almost surely, 2^3220154534 is an apocalyptic number.

3220154534 is a deficient number, since it is larger than the sum of its proper divisors (1610077270).

3220154534 is a wasteful number, since it uses less digits than its factorization.

3220154534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610077269.

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

The square root of 3220154534 is about 56746.4054720649. The cubic root of 3220154534 is about 1476.6998744005.

Adding to 3220154534 its reverse (4354510223), we get a palindrome (7574664757).

The spelling of 3220154534 in words is "three billion, two hundred twenty million, one hundred fifty-four thousand, five hundred thirty-four".