22071530460 has 48 divisors (see below), whose sum is σ = 70628898816. Its totient is φ = 5044921152.

The previous prime is 22071530449. The next prime is 22071530461. The reversal of 22071530460 is 6403517022.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22071530461) 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 15 ways as a sum of consecutive naturals, for example, 26275212 + ... + 26276051.

It is an arithmetic number, because the mean of its divisors is an integer number (1471435392).

Almost surely, 2^22071530460 is an apocalyptic number.

22071530460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22071530460 is an abundant number, since it is smaller than the sum of its proper divisors (48557368356).

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

22071530460 is a wasteful number, since it uses less digits than its factorization.

22071530460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52551282 (or 52551280 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The spelling of 22071530460 in words is "twenty-two billion, seventy-one million, five hundred thirty thousand, four hundred sixty".