203422104 has 96 divisors (see below), whose sum is σ = 574938000. Its totient is φ = 67381632.

The previous prime is 203422103. The next prime is 203422139. The reversal of 203422104 is 401224302.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203422103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 522742 + ... + 523130.

Almost surely, 2^203422104 is an apocalyptic number.

203422104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203422104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287469000).

203422104 is an abundant number, since it is smaller than the sum of its proper divisors (371515896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203422104 is a wasteful number, since it uses less digits than its factorization.

203422104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679 (or 663 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 203422104 is about 14262.6121029775. The cubic root of 203422104 is about 588.1201337213.

Adding to 203422104 its reverse (401224302), we get a palindrome (604646406).

The spelling of 203422104 in words is "two hundred three million, four hundred twenty-two thousand, one hundred four".