2210157240 has 64 divisors (see below), whose sum is σ = 6755594400. Its totient is φ = 578253312.

The previous prime is 2210157227. The next prime is 2210157241. The reversal of 2210157240 is 427510122.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2210157240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210157241) 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, 167395 + ... + 180114.

Almost surely, 2^2210157240 is an apocalyptic number.

2210157240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210157240 is an abundant number, since it is smaller than the sum of its proper divisors (4545437160).

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

2210157240 is a wasteful number, since it uses less digits than its factorization.

2210157240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347576 (or 347572 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 2210157240 is about 47012.3094518872. The cubic root of 2210157240 is about 1302.5899530543.

Adding to 2210157240 its reverse (427510122), we get a palindrome (2637667362).

The spelling of 2210157240 in words is "two billion, two hundred ten million, one hundred fifty-seven thousand, two hundred forty".