2227916655642 has 32 divisors (see below), whose sum is σ = 4662605814912. Its totient is φ = 708934209984.

The previous prime is 2227916655641. The next prime is 2227916655647. The reversal of 2227916655642 is 2465566197222.

It is a super-2 number, since 2×2227916655642² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2227916655641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94664278 + ... + 94687809.

It is an arithmetic number, because the mean of its divisors is an integer number (145706431716).

Almost surely, 2^{2227916655642} is an apocalyptic number.

2227916655642 is an abundant number, since it is smaller than the sum of its proper divisors (2434689159270).

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

2227916655642 is a wasteful number, since it uses less digits than its factorization.

2227916655642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189352182.

The product of its digits is 21772800, while the sum is 57.

The spelling of 2227916655642 in words is "two trillion, two hundred twenty-seven billion, nine hundred sixteen million, six hundred fifty-five thousand, six hundred forty-two".