2222531545 has 8 divisors (see below), whose sum is σ = 2872194696. Its totient is φ = 1641254016.

The previous prime is 2222531543. The next prime is 2222531579. The reversal of 2222531545 is 5451352222.

It can be written as a sum of positive squares in 4 ways, for example, as 351450009 + 1871081536 = 18747^2 + 43256^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2222531545 - 2¹ = 2222531543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222531543) 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, 17096332 + ... + 17096461.

It is an arithmetic number, because the mean of its divisors is an integer number (359024337).

Almost surely, 2^2222531545 is an apocalyptic number.

It is an amenable number.

2222531545 is a deficient number, since it is larger than the sum of its proper divisors (649663151).

2222531545 is a wasteful number, since it uses less digits than its factorization.

2222531545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34192811.

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

The square root of 2222531545 is about 47143.7328284471. The cubic root of 2222531545 is about 1305.0164254672.

Adding to 2222531545 its reverse (5451352222), we get a palindrome (7673883767).

The spelling of 2222531545 in words is "two billion, two hundred twenty-two million, five hundred thirty-one thousand, five hundred forty-five".