1346475220 has 24 divisors (see below), whose sum is σ = 2925102600. Its totient is φ = 520017792.

The previous prime is 1346475217. The next prime is 1346475233. The reversal of 1346475220 is 225746431.

It can be written as a sum of positive squares in 4 ways, for example, as 382124304 + 964350916 = 19548^2 + 31054^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1160175 + ... + 1161334.

It is an arithmetic number, because the mean of its divisors is an integer number (121879275).

Almost surely, 2^1346475220 is an apocalyptic number.

1346475220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1346475220 is an abundant number, since it is smaller than the sum of its proper divisors (1578627380).

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

1346475220 is a wasteful number, since it uses less digits than its factorization.

1346475220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321547 (or 2321545 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 1346475220 is about 36694.3486111962. The cubic root of 1346475220 is about 1104.2467297129.

The spelling of 1346475220 in words is "one billion, three hundred forty-six million, four hundred seventy-five thousand, two hundred twenty".