2241621900 has 432 divisors, whose sum is σ = 8619170560. Its totient is φ = 475891200.

The previous prime is 2241621871. The next prime is 2241621911. The reversal of 2241621900 is 91261422.

2241621900 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2241621900² = 10049737485119220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 7301547 + ... + 7301853.

Almost surely, 2^2241621900 is an apocalyptic number.

2241621900 is a gapful number since it is divisible by the number (20) 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 2241621900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4309585280).

2241621900 is an abundant number, since it is smaller than the sum of its proper divisors (6377548660).

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

2241621900 is a wasteful number, since it uses less digits than its factorization.

2241621900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2241621900 is about 47345.7696103886. The cubic root of 2241621900 is about 1308.7422420812.

The spelling of 2241621900 in words is "two billion, two hundred forty-one million, six hundred twenty-one thousand, nine hundred".