Search a number
-
+
22556631412 = 2271495406671
BaseRepresentation
bin10101000000011110…
…101110000101110100
32011020000021121020001
4111000132232011310
5332143444201122
614210134521044
71425655126540
oct250036560564
964200247201
1022556631412
1196256a3047
124456206184
1321862749a3
14113da78a20
158c0431527
hex5407ae174

22556631412 has 24 divisors (see below), whose sum is σ = 45416044800. Its totient is φ = 9602245920.

The previous prime is 22556631403. The next prime is 22556631439. The reversal of 22556631412 is 21413665522.

It is a super-2 number, since 2×225566314122 (a number of 22 digits) contains 22 as substring.

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, 2699164 + ... + 2707507.

It is an arithmetic number, because the mean of its divisors is an integer number (1892335200).

Almost surely, 222556631412 is an apocalyptic number.

It is an amenable number.

22556631412 is an abundant number, since it is smaller than the sum of its proper divisors (22859413388).

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

22556631412 is a wasteful number, since it uses less digits than its factorization.

22556631412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5406831 (or 5406829 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The spelling of 22556631412 in words is "twenty-two billion, five hundred fifty-six million, six hundred thirty-one thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 149 298 596 1043 2086 4172 5406671 10813342 21626684 37846697 75693394 151386788 805593979 1611187958 3222375916 5639157853 11278315706 22556631412