6221220522150 has 48 divisors (see below), whose sum is σ = 15428815492608. Its totient is φ = 1658971860000.

The previous prime is 6221220522107. The next prime is 6221220522151. The reversal of 6221220522150 is 512250221226.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6221220522151) 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, 15180435 + ... + 15584865.

It is an arithmetic number, because the mean of its divisors is an integer number (321433656096).

Almost surely, 2^{6221220522150} is an apocalyptic number.

6221220522150 is an abundant number, since it is smaller than the sum of its proper divisors (9207594970458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6221220522150 is a wasteful number, since it uses less digits than its factorization.

6221220522150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506997 (or 506992 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 6221220522150 its reverse (512250221226), we get a palindrome (6733470743376).

The spelling of 6221220522150 in words is "six trillion, two hundred twenty-one billion, two hundred twenty million, five hundred twenty-two thousand, one hundred fifty".