7228881534 has 32 divisors (see below), whose sum is σ = 16527050496. Its totient is φ = 2064908160.

The previous prime is 7228881521. The next prime is 7228881547. The reversal of 7228881534 is 4351888227.

It is an interprime number because it is at equal distance from previous prime (7228881521) and next prime (7228881547).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184449 + ... + 220179.

It is an arithmetic number, because the mean of its divisors is an integer number (516470328).

Almost surely, 2^7228881534 is an apocalyptic number.

7228881534 is an abundant number, since it is smaller than the sum of its proper divisors (9298168962).

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

7228881534 is a wasteful number, since it uses less digits than its factorization.

7228881534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40560.

The product of its digits is 860160, while the sum is 48.

The square root of 7228881534 is about 85022.8294871442. The cubic root of 7228881534 is about 1933.5572518359.

The spelling of 7228881534 in words is "seven billion, two hundred twenty-eight million, eight hundred eighty-one thousand, five hundred thirty-four".