2202151240 has 32 divisors (see below), whose sum is σ = 5036072760. Its totient is φ = 866419200.

The previous prime is 2202151201. The next prime is 2202151241. The reversal of 2202151240 is 421512022.

It can be written as a sum of positive squares in 4 ways, for example, as 1064977956 + 1137173284 = 32634^2 + 33722^2 .

It is not an unprimeable number, because it can be changed into a prime (2202151241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448821 + ... + 453700.

Almost surely, 2^2202151240 is an apocalyptic number.

2202151240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202151240 is an abundant number, since it is smaller than the sum of its proper divisors (2833921520).

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

2202151240 is a wasteful number, since it uses less digits than its factorization.

2202151240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902593 (or 902589 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2202151240 is about 46927.0842904180. The cubic root of 2202151240 is about 1301.0152306213.

Adding to 2202151240 its reverse (421512022), we get a palindrome (2623663262).

The spelling of 2202151240 in words is "two billion, two hundred two million, one hundred fifty-one thousand, two hundred forty".