2215353421534 has 16 divisors (see below), whose sum is σ = 3630002843520. Its totient is φ = 1005623532760.

The previous prime is 2215353421531. The next prime is 2215353421571. The reversal of 2215353421534 is 4351243535122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215353421531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67748044 + ... + 67780735.

It is an arithmetic number, because the mean of its divisors is an integer number (226875177720).

Almost surely, 2^{2215353421534} is an apocalyptic number.

2215353421534 is a deficient number, since it is larger than the sum of its proper divisors (1414649421986).

2215353421534 is a wasteful number, since it uses less digits than its factorization.

2215353421534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135529535.

The product of its digits is 432000, while the sum is 40.

Adding to 2215353421534 its reverse (4351243535122), we get a palindrome (6566596956656).

The spelling of 2215353421534 in words is "two trillion, two hundred fifteen billion, three hundred fifty-three million, four hundred twenty-one thousand, five hundred thirty-four".