2201522450 has 12 divisors (see below), whose sum is σ = 4094831850. Its totient is φ = 880608960.

The previous prime is 2201522417. The next prime is 2201522497. The reversal of 2201522450 is 542251022.

It can be written as a sum of positive squares in 3 ways, for example, as 1380642649 + 820879801 = 37157^2 + 28651^2 .

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 in 5 ways as a sum of consecutive naturals, for example, 22015175 + ... + 22015274.

Almost surely, 2^2201522450 is an apocalyptic number.

2201522450 is a deficient number, since it is larger than the sum of its proper divisors (1893309400).

2201522450 is a wasteful number, since it uses less digits than its factorization.

2201522450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44030461 (or 44030456 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2201522450 is about 46920.3841629627. The cubic root of 2201522450 is about 1300.8913906194.

Adding to 2201522450 its reverse (542251022), we get a palindrome (2743773472).

The spelling of 2201522450 in words is "two billion, two hundred one million, five hundred twenty-two thousand, four hundred fifty".