922247540 has 12 divisors (see below), whose sum is σ = 1936719876. Its totient is φ = 368899008.

The previous prime is 922247527. The next prime is 922247549. The reversal of 922247540 is 45742229.

It can be written as a sum of positive squares in 2 ways, for example, as 540748516 + 381499024 = 23254^2 + 19532^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 922247540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (922247549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23056169 + ... + 23056208.

It is an arithmetic number, because the mean of its divisors is an integer number (161393323).

Almost surely, 2^922247540 is an apocalyptic number.

It is an amenable number.

922247540 is an abundant number, since it is smaller than the sum of its proper divisors (1014472336).

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

922247540 is a wasteful number, since it uses less digits than its factorization.

922247540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46112386 (or 46112384 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 922247540 is about 30368.5287756915. The cubic root of 922247540 is about 973.3801865960.

Adding to 922247540 its reverse (45742229), we get a palindrome (967989769).

The spelling of 922247540 in words is "nine hundred twenty-two million, two hundred forty-seven thousand, five hundred forty".