1022206345 has 16 divisors (see below), whose sum is σ = 1303455888. Its totient is φ = 766904320.

The previous prime is 1022206321. The next prime is 1022206349. The reversal of 1022206345 is 5436022201.

It can be written as a sum of positive squares in 8 ways, for example, as 207446409 + 814759936 = 14403^2 + 28544^2 .

It is not a de Polignac number, because 1022206345 - 2⁵ = 1022206313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022206349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2487 + ... + 45283.

It is an arithmetic number, because the mean of its divisors is an integer number (81465993).

Almost surely, 2^1022206345 is an apocalyptic number.

It is an amenable number.

1022206345 is a deficient number, since it is larger than the sum of its proper divisors (281249543).

1022206345 is a wasteful number, since it uses less digits than its factorization.

1022206345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43100.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1022206345 is about 31971.9618572273. The cubic root of 1022206345 is about 1007.3479897994.

Adding to 1022206345 its reverse (5436022201), we get a palindrome (6458228546).

The spelling of 1022206345 in words is "one billion, twenty-two million, two hundred six thousand, three hundred forty-five".