1240422210 has 48 divisors (see below), whose sum is σ = 3226878720. Its totient is φ = 330596640.

The previous prime is 1240422181. The next prime is 1240422233. The reversal of 1240422210 is 122240421.

1240422210 is a `hidden beast` number, since 1 + 240 + 422 + 2 + 1 + 0 = 666.

It is a super-2 number, since 2×1240422210² = 3077294518122568200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 265071 + ... + 269709.

It is an arithmetic number, because the mean of its divisors is an integer number (67226640).

Almost surely, 2^1240422210 is an apocalyptic number.

1240422210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1240422210 is an abundant number, since it is smaller than the sum of its proper divisors (1986456510).

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

1240422210 is a wasteful number, since it uses less digits than its factorization.

1240422210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7623 (or 7620 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1240422210 is about 35219.6281922453. The cubic root of 1240422210 is about 1074.4589915219.

Adding to 1240422210 its reverse (122240421), we get a palindrome (1362662631).

The spelling of 1240422210 in words is "one billion, two hundred forty million, four hundred twenty-two thousand, two hundred ten".