2221862401522 has 16 divisors (see below), whose sum is σ = 3344416219872. Its totient is φ = 1107060413760.

The previous prime is 2221862401519. The next prime is 2221862401529. The reversal of 2221862401522 is 2251042681222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2221862401529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447913 + ... + 2155075.

It is an arithmetic number, because the mean of its divisors is an integer number (209026013742).

Almost surely, 2^{2221862401522} is an apocalyptic number.

2221862401522 is a deficient number, since it is larger than the sum of its proper divisors (1122553818350).

2221862401522 is a wasteful number, since it uses less digits than its factorization.

2221862401522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709433.

The product of its (nonzero) digits is 61440, while the sum is 37.

The spelling of 2221862401522 in words is "two trillion, two hundred twenty-one billion, eight hundred sixty-two million, four hundred one thousand, five hundred twenty-two".