2222545201 has 4 divisors (see below), whose sum is σ = 2353283172. Its totient is φ = 2091807232.

The previous prime is 2222545183. The next prime is 2222545211. The reversal of 2222545201 is 1025452222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1025452222 = 2 ⋅512726111.

It can be written as a sum of positive squares in 2 ways, for example, as 1876622400 + 345922801 = 43320^2 + 18599^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2222545201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222545211) 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, 65368960 + ... + 65368993.

It is an arithmetic number, because the mean of its divisors is an integer number (588320793).

Almost surely, 2^2222545201 is an apocalyptic number.

It is an amenable number.

2222545201 is a deficient number, since it is larger than the sum of its proper divisors (130737971).

2222545201 is a wasteful number, since it uses less digits than its factorization.

2222545201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130737970.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2222545201 is about 47143.8776618979. The cubic root of 2222545201 is about 1305.0190982853.

Adding to 2222545201 its reverse (1025452222), we get a palindrome (3247997423).

The spelling of 2222545201 in words is "two billion, two hundred twenty-two million, five hundred forty-five thousand, two hundred one".