2154034400222 has 8 divisors (see below), whose sum is σ = 3231063177672. Its totient is φ = 1077013341000.

The previous prime is 2154034400143. The next prime is 2154034400227. The reversal of 2154034400222 is 2220044304512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154034400227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1172429 + ... + 2383832.

It is an arithmetic number, because the mean of its divisors is an integer number (403882897209).

Almost surely, 2^{2154034400222} is an apocalyptic number.

2154034400222 is a deficient number, since it is larger than the sum of its proper divisors (1077028777450).

2154034400222 is a wasteful number, since it uses less digits than its factorization.

2154034400222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3859114.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 2154034400222 its reverse (2220044304512), we get a palindrome (4374078704734).

The spelling of 2154034400222 in words is "two trillion, one hundred fifty-four billion, thirty-four million, four hundred thousand, two hundred twenty-two".