6220015551 has 24 divisors (see below), whose sum is σ = 9165025584. Its totient is φ = 4063973760.

The previous prime is 6220015523. The next prime is 6220015597. The reversal of 6220015551 is 1555100226.

It is a de Polignac number, because none of the positive numbers 2^k-6220015551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6220015751) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92611 + ... + 144971.

It is an arithmetic number, because the mean of its divisors is an integer number (381876066).

Almost surely, 2^6220015551 is an apocalyptic number.

6220015551 is a deficient number, since it is larger than the sum of its proper divisors (2945010033).

6220015551 is a wasteful number, since it uses less digits than its factorization.

6220015551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52631 (or 52628 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 6220015551 is about 78867.0752025203. The cubic root of 6220015551 is about 1839.0653285962.

Adding to 6220015551 its reverse (1555100226), we get a palindrome (7775115777).

The spelling of 6220015551 in words is "six billion, two hundred twenty million, fifteen thousand, five hundred fifty-one".