32745291222 has 64 divisors (see below), whose sum is σ = 78142132224. Its totient is φ = 8944261920.

The previous prime is 32745291221. The next prime is 32745291259. The reversal of 32745291222 is 22219254723.

It is a super-3 number, since 3×32745291222³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32745291221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2050593 + ... + 2066499.

It is an arithmetic number, because the mean of its divisors is an integer number (1220970816).

Almost surely, 2^32745291222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32745291222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39071066112).

32745291222 is an abundant number, since it is smaller than the sum of its proper divisors (45396841002).

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

32745291222 is a wasteful number, since it uses less digits than its factorization.

32745291222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18073.

The product of its digits is 120960, while the sum is 39.

The spelling of 32745291222 in words is "thirty-two billion, seven hundred forty-five million, two hundred ninety-one thousand, two hundred twenty-two".