995220534 has 128 divisors (see below), whose sum is σ = 2627002368. Its totient is φ = 243682560.

The previous prime is 995220529. The next prime is 995220539. The reversal of 995220534 is 435022599.

It is an interprime number because it is at equal distance from previous prime (995220529) and next prime (995220539).

It is a super-2 number, since 2×995220534² = 1980927822590490312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 995220492 and 995220501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (995220539) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 775057 + ... + 776339.

It is an arithmetic number, because the mean of its divisors is an integer number (20523456).

Almost surely, 2^995220534 is an apocalyptic number.

995220534 is the 16863-rd nonagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 995220534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1313501184).

995220534 is an abundant number, since it is smaller than the sum of its proper divisors (1631781834).

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

995220534 is a wasteful number, since it uses less digits than its factorization.

995220534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 995220534 is about 31547.1160964041. The cubic root of 995220534 is about 998.4042997618.

The spelling of 995220534 in words is "nine hundred ninety-five million, two hundred twenty thousand, five hundred thirty-four".