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22030277472 = 25327193118553
BaseRepresentation
bin10100100001000110…
…110101101101100000
32002212022212001100200
4110201012311231200
5330104222334342
614042013145200
71406634161130
oct244106655540
962768761320
1022030277472
119385576595
124329a8b200
1321011c3358
1410cdbc2ac0
1588e10e94c
hex5211b5b60

22030277472 has 288 divisors, whose sum is σ = 77802117120. Its totient is φ = 5770414080.

The previous prime is 22030277461. The next prime is 22030277501. The reversal of 22030277472 is 27477203022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1178148 + ... + 1196700.

It is an arithmetic number, because the mean of its divisors is an integer number (270146240).

Almost surely, 222030277472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22030277472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38901058560).

22030277472 is an abundant number, since it is smaller than the sum of its proper divisors (55771839648).

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

22030277472 is a wasteful number, since it uses less digits than its factorization.

22030277472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18626 (or 18615 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 36.

The spelling of 22030277472 in words is "twenty-two billion, thirty million, two hundred seventy-seven thousand, four hundred seventy-two".