1100421422 has 4 divisors (see below), whose sum is σ = 1650632136. Its totient is φ = 550210710.

The previous prime is 1100421389. The next prime is 1100421431. The reversal of 1100421422 is 2241240011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2241240011 = 3853 ⋅581687.

It is a self number, because there is not a number n which added to its sum of digits gives 1100421422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275105354 + ... + 275105357.

It is an arithmetic number, because the mean of its divisors is an integer number (412658034).

Almost surely, 2^1100421422 is an apocalyptic number.

1100421422 is a deficient number, since it is larger than the sum of its proper divisors (550210714).

1100421422 is an equidigital number, since it uses as much as digits as its factorization.

1100421422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550210713.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1100421422 is about 33172.6004708705. The cubic root of 1100421422 is about 1032.4119245498.

Adding to 1100421422 its reverse (2241240011), we get a palindrome (3341661433).

The spelling of 1100421422 in words is "one billion, one hundred million, four hundred twenty-one thousand, four hundred twenty-two".