1122421355 has 16 divisors (see below), whose sum is σ = 1489485024. Its totient is φ = 805121280.

The previous prime is 1122421327. The next prime is 1122421357. The reversal of 1122421355 is 5531242211.

It is not a de Polignac number, because 1122421355 - 2⁶ = 1122421291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122421357) 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, 135764 + ... + 143793.

It is an arithmetic number, because the mean of its divisors is an integer number (93092814).

Almost surely, 2^1122421355 is an apocalyptic number.

1122421355 is a deficient number, since it is larger than the sum of its proper divisors (367063669).

1122421355 is a wasteful number, since it uses less digits than its factorization.

1122421355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279646.

The product of its digits is 2400, while the sum is 26.

The square root of 1122421355 is about 33502.5574396941. The cubic root of 1122421355 is about 1039.2466669114.

Adding to 1122421355 its reverse (5531242211), we get a palindrome (6653663566).

The spelling of 1122421355 in words is "one billion, one hundred twenty-two million, four hundred twenty-one thousand, three hundred fifty-five".