2221142533554 has 64 divisors (see below), whose sum is σ = 5099930035200. Its totient is φ = 631739558208.

The previous prime is 2221142533549. The next prime is 2221142533591. The reversal of 2221142533554 is 4553352411222.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8083132 + ... + 8353400.

It is an arithmetic number, because the mean of its divisors is an integer number (79686406800).

Almost surely, 2^{2221142533554} is an apocalyptic number.

2221142533554 is an abundant number, since it is smaller than the sum of its proper divisors (2878787501646).

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

2221142533554 is a wasteful number, since it uses less digits than its factorization.

2221142533554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271167.

The product of its digits is 288000, while the sum is 39.

Adding to 2221142533554 its reverse (4553352411222), we get a palindrome (6774494944776).

The spelling of 2221142533554 in words is "two trillion, two hundred twenty-one billion, one hundred forty-two million, five hundred thirty-three thousand, five hundred fifty-four".