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3122221404 = 223260185117
BaseRepresentation
bin1011101000011001…
…0101000101011100
322001121000021120210
42322012111011130
522343242041104
61233452012420
7140241305211
oct27206250534
98047007523
103122221404
11136245a175
12731761110
133a9b085b3
1421893db08
15134187989
hexba19515c

3122221404 has 12 divisors (see below), whose sum is σ = 7285183304. Its totient is φ = 1040740464.

The previous prime is 3122221393. The next prime is 3122221423. The reversal of 3122221404 is 4041222213.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×31222214043 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130092547 + ... + 130092570.

Almost surely, 23122221404 is an apocalyptic number.

It is an amenable number.

3122221404 is an abundant number, since it is smaller than the sum of its proper divisors (4162961900).

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

3122221404 is a wasteful number, since it uses less digits than its factorization.

3122221404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260185124 (or 260185122 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 3122221404 is about 55876.8413924767. The cubic root of 3122221404 is about 1461.5754252025.

Adding to 3122221404 its reverse (4041222213), we get a palindrome (7163443617).

The spelling of 3122221404 in words is "three billion, one hundred twenty-two million, two hundred twenty-one thousand, four hundred four".

Divisors: 1 2 3 4 6 12 260185117 520370234 780555351 1040740468 1561110702 3122221404