2531006022 has 32 divisors (see below), whose sum is σ = 5195024640. Its totient is φ = 821769120.

The previous prime is 2531006021. The next prime is 2531006057. The reversal of 2531006022 is 2206001352.

It is a self number, because there is not a number n which added to its sum of digits gives 2531006022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531006021) 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, 4129 + ... + 71267.

It is an arithmetic number, because the mean of its divisors is an integer number (162344520).

Almost surely, 2^2531006022 is an apocalyptic number.

2531006022 is an abundant number, since it is smaller than the sum of its proper divisors (2664018618).

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

2531006022 is a wasteful number, since it uses less digits than its factorization.

2531006022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67308.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2531006022 is about 50309.1047624583. The cubic root of 2531006022 is about 1362.7966568026.

Adding to 2531006022 its reverse (2206001352), we get a palindrome (4737007374).

The spelling of 2531006022 in words is "two billion, five hundred thirty-one million, six thousand, twenty-two".