2211787490 has 64 divisors (see below), whose sum is σ = 4423680000. Its totient is φ = 789497280.

The previous prime is 2211787483. The next prime is 2211787493. The reversal of 2211787490 is 947871122.

It is not an unprimeable number, because it can be changed into a prime (2211787493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1728671 + ... + 1729949.

It is an arithmetic number, because the mean of its divisors is an integer number (69120000).

Almost surely, 2^2211787490 is an apocalyptic number.

2211787490 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

2211787490 is a wasteful number, since it uses less digits than its factorization.

2211787490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 2211787490 is about 47029.6447998494. The cubic root of 2211787490 is about 1302.9101452598.

The spelling of 2211787490 in words is "two billion, two hundred eleven million, seven hundred eighty-seven thousand, four hundred ninety".