1022105397 has 16 divisors (see below), whose sum is σ = 1381443840. Its totient is φ = 672102912.

The previous prime is 1022105389. The next prime is 1022105401. The reversal of 1022105397 is 7935012201.

It is not a de Polignac number, because 1022105397 - 2³ = 1022105389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022107397) 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 15 ways as a sum of consecutive naturals, for example, 366673 + ... + 369449.

It is an arithmetic number, because the mean of its divisors is an integer number (86340240).

Almost surely, 2^1022105397 is an apocalyptic number.

It is an amenable number.

1022105397 is a deficient number, since it is larger than the sum of its proper divisors (359338443).

1022105397 is a wasteful number, since it uses less digits than its factorization.

1022105397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4412.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 1022105397 is about 31970.3831225089. The cubic root of 1022105397 is about 1007.3148284867.

Adding to 1022105397 its reverse (7935012201), we get a palindrome (8957117598).

The spelling of 1022105397 in words is "one billion, twenty-two million, one hundred five thousand, three hundred ninety-seven".