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2022630 = 23567421
BaseRepresentation
bin111101101110011100110
310210202112020
413231303212
51004211010
6111204010
723122611
oct7556346
93722466
102022630
1111616a5
12816606
1355a82c
143a9178
1529e470
hex1edce6

2022630 has 16 divisors (see below), whose sum is σ = 4854384. Its totient is φ = 539360.

The previous prime is 2022619. The next prime is 2022641. The reversal of 2022630 is 362202.

It is an interprime number because it is at equal distance from previous prime (2022619) and next prime (2022641).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33681 + ... + 33740.

It is an arithmetic number, because the mean of its divisors is an integer number (303399).

22022630 is an apocalyptic number.

2022630 is an abundant number, since it is smaller than the sum of its proper divisors (2831754).

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

2022630 is a wasteful number, since it uses less digits than its factorization.

2022630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67431.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2022630 is about 1422.1919701644. The cubic root of 2022630 is about 126.4655240976.

Adding to 2022630 its reverse (362202), we get a palindrome (2384832).

The spelling of 2022630 in words is "two million, twenty-two thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 67421 134842 202263 337105 404526 674210 1011315 2022630