3400223420 has 72 divisors (see below), whose sum is σ = 7862138592. Its totient is φ = 1234316160.

The previous prime is 3400223399. The next prime is 3400223429. The reversal of 3400223420 is 243220043.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3400223392 and 3400223401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3400223429) 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 23 ways as a sum of consecutive naturals, for example, 2339414 + ... + 2340866.

Almost surely, 2^3400223420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3400223420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3931069296).

3400223420 is an abundant number, since it is smaller than the sum of its proper divisors (4461915172).

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

3400223420 is a wasteful number, since it uses less digits than its factorization.

3400223420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451 (or 2438 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 3400223420 is about 58311.4347276758. The cubic root of 3400223420 is about 1503.7275322921.

Adding to 3400223420 its reverse (243220043), we get a palindrome (3643443463).

The spelling of 3400223420 in words is "three billion, four hundred million, two hundred twenty-three thousand, four hundred twenty".