2201522451 has 4 divisors (see below), whose sum is σ = 2935363272. Its totient is φ = 1467681632.

The previous prime is 2201522417. The next prime is 2201522497. The reversal of 2201522451 is 1542251022.

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 2201522451 - 2⁹ = 2201521939 is a prime.

It is a super-2 number, since 2×2201522451² = 9693402204514094802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2201522051) 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, 366920406 + ... + 366920411.

It is an arithmetic number, because the mean of its divisors is an integer number (733840818).

Almost surely, 2^2201522451 is an apocalyptic number.

2201522451 is a deficient number, since it is larger than the sum of its proper divisors (733840821).

2201522451 is an equidigital number, since it uses as much as digits as its factorization.

2201522451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733840820.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 2201522451 is about 46920.3841736190. The cubic root of 2201522451 is about 1300.8913908164.

Adding to 2201522451 its reverse (1542251022), we get a palindrome (3743773473).

The spelling of 2201522451 in words is "two billion, two hundred one million, five hundred twenty-two thousand, four hundred fifty-one".