2215453522 has 4 divisors (see below), whose sum is σ = 3323180286. Its totient is φ = 1107726760.

The previous prime is 2215453517. The next prime is 2215453531. The reversal of 2215453522 is 2253545122.

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., 1383765601 + 831687921 = 37199^2 + 28839^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553863379 + ... + 553863382.

Almost surely, 2^2215453522 is an apocalyptic number.

2215453522 is a deficient number, since it is larger than the sum of its proper divisors (1107726764).

2215453522 is a wasteful number, since it uses less digits than its factorization.

2215453522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107726763.

The product of its digits is 24000, while the sum is 31.

The square root of 2215453522 is about 47068.6044195066. The cubic root of 2215453522 is about 1303.6296046287.

Adding to 2215453522 its reverse (2253545122), we get a palindrome (4468998644).

The spelling of 2215453522 in words is "two billion, two hundred fifteen million, four hundred fifty-three thousand, five hundred twenty-two".