16222001502 has 32 divisors (see below), whose sum is σ = 37707321600. Its totient is φ = 4556299968.

The previous prime is 16222001461. The next prime is 16222001531. The reversal of 16222001502 is 20510022261.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3270727 + ... + 3275682.

It is an arithmetic number, because the mean of its divisors is an integer number (1178353800).

Almost surely, 2^16222001502 is an apocalyptic number.

16222001502 is an abundant number, since it is smaller than the sum of its proper divisors (21485320098).

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

16222001502 is a wasteful number, since it uses less digits than its factorization.

16222001502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6546480.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 16222001502 its reverse (20510022261), we get a palindrome (36732023763).

The spelling of 16222001502 in words is "sixteen billion, two hundred twenty-two million, one thousand, five hundred two".