2199450624 has 176 divisors, whose sum is σ = 6992683008. Its totient is φ = 600956928.

The previous prime is 2199450623. The next prime is 2199450637. The reversal of 2199450624 is 4260549912.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2199450623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492369 + ... + 496815.

Almost surely, 2^2199450624 is an apocalyptic number.

2199450624 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 2199450624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3496341504).

2199450624 is an abundant number, since it is smaller than the sum of its proper divisors (4793232384).

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

2199450624 is a wasteful number, since it uses less digits than its factorization.

2199450624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500 (or 4482 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 2199450624 is about 46898.3008647435. The cubic root of 2199450624 is about 1300.4831781832.

The spelling of 2199450624 in words is "two billion, one hundred ninety-nine million, four hundred fifty thousand, six hundred twenty-four".