2215154351 has 4 divisors (see below), whose sum is σ = 2252699400. Its totient is φ = 2177609304.

The previous prime is 2215154341. The next prime is 2215154363. The reversal of 2215154351 is 1534515122.

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

It is a cyclic number.

It is not a de Polignac number, because 2215154351 - 2⁶ = 2215154287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215154341) 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, 18772436 + ... + 18772553.

It is an arithmetic number, because the mean of its divisors is an integer number (563174850).

Almost surely, 2^2215154351 is an apocalyptic number.

2215154351 is a deficient number, since it is larger than the sum of its proper divisors (37545049).

2215154351 is an equidigital number, since it uses as much as digits as its factorization.

2215154351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37545048.

The product of its digits is 6000, while the sum is 29.

The square root of 2215154351 is about 47065.4262808699. The cubic root of 2215154351 is about 1303.5709220271.

Adding to 2215154351 its reverse (1534515122), we get a palindrome (3749669473).

The spelling of 2215154351 in words is "two billion, two hundred fifteen million, one hundred fifty-four thousand, three hundred fifty-one".