1022250545 has 32 divisors (see below), whose sum is σ = 1329696000. Its totient is φ = 751636480.

The previous prime is 1022250503. The next prime is 1022250547. The reversal of 1022250545 is 5450522201.

It is a de Polignac number, because none of the positive numbers 2^k-1022250545 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1022250547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 681206 + ... + 682704.

It is an arithmetic number, because the mean of its divisors is an integer number (41553000).

Almost surely, 2^1022250545 is an apocalyptic number.

It is an amenable number.

1022250545 is a deficient number, since it is larger than the sum of its proper divisors (307445455).

1022250545 is a wasteful number, since it uses less digits than its factorization.

1022250545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 1022250545 is about 31972.6530804061. The cubic root of 1022250545 is about 1007.3625087660.

Adding to 1022250545 its reverse (5450522201), we get a palindrome (6472772746).

The spelling of 1022250545 in words is "one billion, twenty-two million, two hundred fifty thousand, five hundred forty-five".