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4422620 = 225251881
BaseRepresentation
bin10000110111101111011100
322022200200202
4100313233130
52113010440
6234443032
752406636
oct20675734
98280622
104422620
112550864
121593478
13bbb047
14831a56
155c5615
hex437bdc

4422620 has 24 divisors (see below), whose sum is σ = 9335088. Its totient is φ = 1760000.

The previous prime is 4422619. The next prime is 4422623. The reversal of 4422620 is 262244.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4422592 and 4422601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4422623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4580 + ... + 5460.

It is an arithmetic number, because the mean of its divisors is an integer number (388962).

Almost surely, 24422620 is an apocalyptic number.

It is an amenable number.

4422620 is an abundant number, since it is smaller than the sum of its proper divisors (4912468).

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

4422620 is a wasteful number, since it uses less digits than its factorization.

4422620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141 (or 1139 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4422620 is about 2103.0026153098. The cubic root of 4422620 is about 164.1445780388.

Adding to 4422620 its reverse (262244), we get a palindrome (4684864).

The spelling of 4422620 in words is "four million, four hundred twenty-two thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 251 502 881 1004 1255 1762 2510 3524 4405 5020 8810 17620 221131 442262 884524 1105655 2211310 4422620