2198446464 has 64 divisors (see below), whose sum is σ = 5997489840. Its totient is φ = 713005056.

The previous prime is 2198446451. The next prime is 2198446483. The reversal of 2198446464 is 4646448912.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63159 + ... + 91574.

Almost surely, 2^2198446464 is an apocalyptic number.

2198446464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2198446464 is an abundant number, since it is smaller than the sum of its proper divisors (3799043376).

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

2198446464 is a wasteful number, since it uses less digits than its factorization.

2198446464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154787 (or 154775 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 48.

The square root of 2198446464 is about 46887.5939241928. The cubic root of 2198446464 is about 1300.2852360304.

The spelling of 2198446464 in words is "two billion, one hundred ninety-eight million, four hundred forty-six thousand, four hundred sixty-four".