2215342002154 has 4 divisors (see below), whose sum is σ = 3323013003234. Its totient is φ = 1107671001076.

The previous prime is 2215342002149. The next prime is 2215342002187. The reversal of 2215342002154 is 4512002435122.

It is a happy number.

2215342002154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1724113433025 + 491228569129 = 1313055^2 + 700877^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553835500537 + ... + 553835500540.

Almost surely, 2^{2215342002154} is an apocalyptic number.

2215342002154 is a deficient number, since it is larger than the sum of its proper divisors (1107671001080).

2215342002154 is a wasteful number, since it uses less digits than its factorization.

2215342002154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107671001079.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 2215342002154 its reverse (4512002435122), we get a palindrome (6727344437276).

The spelling of 2215342002154 in words is "two trillion, two hundred fifteen billion, three hundred forty-two million, two thousand, one hundred fifty-four".