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22422804 = 2231868567
BaseRepresentation
bin101010110001…
…0010100010100
31120012012022020
41111202110110
521220012204
62120333140
7361406415
oct125422424
946165266
1022422804
1111725648
1276141b0
134851141
142d9980c
151e7dbd9
hex1562514

22422804 has 12 divisors (see below), whose sum is σ = 52319904. Its totient is φ = 7474264.

The previous prime is 22422787. The next prime is 22422809. The reversal of 22422804 is 40822422.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22422809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 934272 + ... + 934295.

It is an arithmetic number, because the mean of its divisors is an integer number (4359992).

Almost surely, 222422804 is an apocalyptic number.

It is an amenable number.

22422804 is an abundant number, since it is smaller than the sum of its proper divisors (29897100).

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

22422804 is a wasteful number, since it uses less digits than its factorization.

22422804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868574 (or 1868572 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 22422804 is about 4735.2723258541. The cubic root of 22422804 is about 281.9875755303.

The spelling of 22422804 in words is "twenty-two million, four hundred twenty-two thousand, eight hundred four".

Divisors: 1 2 3 4 6 12 1868567 3737134 5605701 7474268 11211402 22422804