6619223061 has 72 divisors (see below), whose sum is σ = 11024360256. Its totient is φ = 3794757120.

The previous prime is 6619223047. The next prime is 6619223081. The reversal of 6619223061 is 1603229166.

It is a happy number.

6619223061 is a `hidden beast` number, since 6 + 619 + 2 + 2 + 30 + 6 + 1 = 666.

It is not a de Polignac number, because 6619223061 - 2⁹ = 6619222549 is a prime.

It is a super-2 number, since 2×6619223061² = 87628227862548419442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6619223081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5079336 + ... + 5080638.

Almost surely, 2^6619223061 is an apocalyptic number.

It is an amenable number.

6619223061 is a deficient number, since it is larger than the sum of its proper divisors (4405137195).

6619223061 is a wasteful number, since it uses less digits than its factorization.

6619223061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463 (or 1437 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 6619223061 is about 81358.6077867610. The cubic root of 6619223061 is about 1877.5968105929.

It can be divided in two parts, 66192 and 23061, that added together give a triangular number (89253 = T₄₂₂).

The spelling of 6619223061 in words is "six billion, six hundred nineteen million, two hundred twenty-three thousand, sixty-one".