1522221117004 has 24 divisors (see below), whose sum is σ = 3045054706848. Its totient is φ = 652249234560.

The previous prime is 1522221116989. The next prime is 1522221117007. The reversal of 1522221117004 is 4007111222251.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (1522221117007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5326777 + ... + 5605264.

It is an arithmetic number, because the mean of its divisors is an integer number (126877279452).

Almost surely, 2^{1522221117004} is an apocalyptic number.

1522221117004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1522221117004 is an abundant number, since it is smaller than the sum of its proper divisors (1522833589844).

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

1522221117004 is a wasteful number, since it uses less digits than its factorization.

1522221117004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10937025 (or 10937023 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

Adding to 1522221117004 its reverse (4007111222251), we get a palindrome (5529332339255).

The spelling of 1522221117004 in words is "one trillion, five hundred twenty-two billion, two hundred twenty-one million, one hundred seventeen thousand, four".