1422251545 has 48 divisors (see below), whose sum is σ = 2051179200. Its totient is φ = 940199040.

The previous prime is 1422251543. The next prime is 1422251557. The reversal of 1422251545 is 5451522241.

It is not a de Polignac number, because 1422251545 - 2¹ = 1422251543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1422251543) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 525606 + ... + 528304.

It is an arithmetic number, because the mean of its divisors is an integer number (42732900).

Almost surely, 2^1422251545 is an apocalyptic number.

It is an amenable number.

1422251545 is a deficient number, since it is larger than the sum of its proper divisors (628927655).

1422251545 is a wasteful number, since it uses less digits than its factorization.

1422251545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806 (or 2795 counting only the distinct ones).

The product of its digits is 16000, while the sum is 31.

The square root of 1422251545 is about 37712.7504300601. The cubic root of 1422251545 is about 1124.5846156998.

Adding to 1422251545 its reverse (5451522241), we get a palindrome (6873773786).

The spelling of 1422251545 in words is "one billion, four hundred twenty-two million, two hundred fifty-one thousand, five hundred forty-five".