2247215400 has 168 divisors, whose sum is σ = 7834088430. Its totient is φ = 599218560.

The previous prime is 2247215381. The next prime is 2247215413. The reversal of 2247215400 is 45127422.

2247215400 is a `hidden beast` number, since 2 + 2 + 47 + 215 + 400 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 2013675876 + 233539524 = 44874^2 + 15282^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 138094 + ... + 153506.

Almost surely, 2^2247215400 is an apocalyptic number.

2247215400 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 2247215400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3917044215).

2247215400 is an abundant number, since it is smaller than the sum of its proper divisors (5586873030).

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

2247215400 is a wasteful number, since it uses less digits than its factorization.

2247215400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15447 (or 15423 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 2247215400 is about 47404.8035540703. The cubic root of 2247215400 is about 1309.8299023556.

The spelling of 2247215400 in words is "two billion, two hundred forty-seven million, two hundred fifteen thousand, four hundred".